Guess Paper Physics for Class 10 is up-to-date and the most important questions are given according to Punjab boards. These guess papers will help you get the highest marks on your papers. Punjab Board guess paper Physics is relevant to all chapters and we have tried to put all necessary questions that help students to score more than seventy percent.

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Guess Paper Physics Class 10

Physics Class 10 Important Short Questions

  1. Define vibratory motion.
  2. Define restoring force.
  3. Define spring constant. Write its formula.
  4. What is meant by a simple pendulum? Write the formula of its time period.
  5. If the time period of a simple pendulum is 1.99s then find its frequency.
  6. Define simple harmonic motion.
  7. Define the time period.
  8. What is meant by wavelength?
  9. What is meant amplitude?
  10. What is the difference between vibration and frequency?
  11. Write two characteristics of simple harmonic motion.
  12. Define mechanical waves. And write the names of its types.
  13. What are longitudinal waves? Also, give one example.
  14. What is the difference between transverse and longitudinal waves?
  15. Define wave equation. And write its formula.
  16. The frequency of a wave moving on a slinky is 4 Hz and the wavelength is 0.4m. Find its speed.
  17. What is a stethoscope?
  18. What is meant by the loudness of sound?
  19. The sound of women is shriller than men. Why?
  20. What is the difference between frequency and pitch?
  21. Define pitch and quality of sound.
  22. What is meant by sound less whistle? What is the range of its frequency?
  23. What is meant by the intensity of sound? What is its unit?
  24. What is the difference between loudness and intensity of sound?
  25. Write the mathematical relation between loudness and intensity of sound.
  26. What is meant by decibel scale?
  27. What are the audible frequency ranges?
  28. Write down the audible frequency ranges for children and old people.
  29. Explain the concave mirror and convex mirror by a diagram.
  30. Define the center of curvature and radius of curvature.
  31. Define mirror formula.
  32. State the laws of refraction.
  33. Write Snell’s law. And write its formula.
  34. What are the values of the refractive index for water and ice?
  35. Define refractive index.
  36. What is the critical angle?
  37. What is a convex or converging lens? Explain by a diagram.
  38. Define principle focus and focal length.
  39. What is meant by the power of a lens? Also, write its formula.
  40. The power of a convex lens is 5D. Find its focal length.
  41. Differentiate between real and virtual images.
  42. What is meant by electrostatic induction?
  43. State Coulomb’s law.
  44. What is the effect of distance on Coulomb’s force? Describe.
  45. In System International, what is the value of k in Coulomb’s law?
  46. Define electric field. Write its unit.
  47. .Define electric field intensity.
  48. Is electric field intensity a vector quantity? What will be its direction?
  49. Define electric field lines. Who introduced them?
  50. Write down two characteristics of electric field lines.
  51. Define electric potential. Write its unit.
  52. Define volt.
  53. Write the formula of electric potential energy.
  54. Who and when the first battery was discovered?
  55. What is the difference between a capacitor and a dielectric?
  56. Define capacitance. Write its unit.
  57. Write down two characteristics of the series combination of capacitors.
  58. What is meant by dielectric?
  59. Write down two uses of capacitors.
  60. What is a filter circuit?
  61. Write the names of different types of capacitors.
  62. Define variable capacitors.
  63. Define fixed capacitors.
  64. What is meant by an electrolytic capacitor?
  65. What is meant by Mica capacitor?
  66. What is the SI unit of electric current? Define it.
  67. Define electric current. Write its mathematical formula.
  68. What is meant by the conventional current?
  69. What is the difference between the flow of current and water?
  70. Which instruments are used to measure current?
  71. What is the difference between a galvanometer and an ammeter?
  72. What is an electrolyte?
  73. The diameter of a copper wire is 2mm. find its cross-sectional area.
  74. What is the SI unit of potential difference? Define it.
  75. What is the difference between electromotive force and potential difference?
  76. State Ohm’s law. Write its mathematical formula.
  77. What is meant by resistance? Write its unit.
  78. Define the SI unit of resistance.
  79. The resistance of the conductor increases by increasing the temperature. Why?
  80. What is meant by Ohmic and Non Ohmic conductors?
  81. State Joule’s law. Write its mathematical formula.
  82. What is the difference between kilowatt hours and electric power?
  83. Write down the difference between watt and kilowatt hours.
  84. Define electric power. Write down its equation.
  85. Describe the right-hand rule.
  86. What is meant by solenoid?
  87. Who discovered the magnetic field produced around a straight current-carrying conductor?
  88. Write two methods of increasing magnetic force.
  89. What is meant by electromagnetic induction?
  90. State the law of electromagnetic induction of Faraday.
  91. State Lenz’s law of induced emf.
  92. What is the difference between a step-up and a step-down transformer?
  93. Differentiate between digital and analog quantities.
  94. What is meant by analog quantities? Give example.
  95. Differentiate between analog and digital electronics.
  96. Write the uses of digital electronics.
  97. What is a digital-to-analog converter?
  98. Write the advantages of uses of digital electronics over analog electronics.
  99. What is meant by DAC and ADC?
  100. What is meant by digital electronics? Give an example.
  101. What is meant by binary variable?
  102. What is meant by logic algebra or Boolean algebra? How is intended?
  103. What is meant by the logical state?
  104. Which are three universal logic gates?
  105. Write the names of logic operations.
  106. Define truth table.
  107. What is meant by AND operation? Write its symbol.
  108. Write the truth table of the AND operation.
  109. Write the symbol of the AND gate.
  110. Draw a circuit diagram for the AND gate.
  111. What is meant by OR operation? Write its symbol.
  112. Draw a circuit diagram for the OR gate.
  113. What is meant by NOT operation? Write its symbol.
  114. Write the truth table of NOT operation.
  115. Write the symbol of NOT gate.
  116. Write the truth table of the NOR operation.
  117. Write the symbol of the NOR gate.
  118. Write the use of logic gates.
  119. Define data.
  120. Define information.
  121. Define information technology.
  122. Define telecommunication.
  123. Write two uses of computers in our daily life.
  124. What is meant by CPU? Why is it called the brain of a computer?
  125. Write the names of four input devices in a computer.
  126. What are Supercomputers?
  127. How light signal is sent through optical fibers?
  128. What is meant by the internet?
  129. Write down the services of the internet.
  130. What is electronic mail?
  131. Write down two uses of E-mail.
  132. What are browsers?
  133. Define the operating system. Also, give an example.
  134. What is E-commerce?
  135. What are the two important services used on the Internet?
  136. What is meant by ATM?
  137. Write the names of four web browsers.
  138. What is a global web?
  139. What is meant by isotopes?
  140. A nuclide is represented by the symbol 13×6. Find the number of protons and neutrons in it.
  141. What is meant by neutron number?
  142. Differentiate between atomic number and neutron number.
  143. What is meant by isotope? How many isotopes hydrogen has?
  144. What is meant by natural radioactivity?
  145. What is meant by radioactive elements? Give examples.
  146. Write a short note on cosmic radiations.
  147. What is meant by cosmic radiation?
  148. Write down the causes of background radiations.
  149. What is meant by nuclear transmutation?
  150. What is meant by penetrating ability?
  151. Write down two characteristics of beta radiations.
  152. Write two characteristics of gamma rays.
  153. Write down two characteristics of alpha radiations.
  154. Write the general equation of beta Decay. Also, give an example.
  155. What is meant by the half-life of a radioactive element?
  156. What is meant by half-life?
  157. Write two uses of radioisotopes.
  158. What is meant by radioactive tracers?
  159. What is the use of radioactive isotopes in medical treatment?
  160. What is meant by carbon dating?
  161. What is meant by tracers?
  162. Differentiate between stable and unstable nuclei.
  163. Define nuclear fission.
  164. Write down the equation of nuclear fission.
  165. What is meant by Fission chain reaction?

Physics Class 10 Important Long Questions

  1. Define the mass of spring by Hook’s law. Define spring constant by Hook’s law.
  2. Define simple harmonic motion. Prove that the motion of a mass attached to a spring on a horizontal surface is simple harmonic motion.
  3. The time period of a simple pendulum is 2s. what will be its length on the earth? What will be its length on the moon if gm=ge/6? Where ge=10ms-2.
  4. A pendulum of length 0.99m is taken to the moon by an astronaut. The period of the pendulum is 4.9 s. What is the value of g on the surface of the moon?
  5. A simple pendulum completes one vibration in two seconds. Calculate its length when .𝑔 = 10𝑚𝑠−1
  6. Draw a transverse wave having an amplitude of 2cm and a wavelength of 4cm. Label a crest and trough on the wave.
  7. Derive a relationship between the velocity, frequency, and wavelength of a wave. Write a formula relating the velocity of a wave to its time period and wavelength.
  8. Define mechanical waves. Describe its types. Also, give an example of each.
  9. If 100 waves pass through a point of a medium in 20 seconds, what are the frequency and the time period of the wave? If its wavelength is 6cm, calculate the wave speed.
  10. What is the wavelength of the radio waves transmitted by an FM station at 90MHz? Where 1M=106, and the speed of the radio wave is 3x108ms-1.
  11. What is the difference between the loudness of sound and the intensity of sound? Write the mathematical relation between them.
  12. A normal conversation involves sound intensities of about 3.0 × 10−6𝑊𝑚−2. What is the decibel level for this intensity? What is the intensity of the sound for 100dB?
  13. At Anarkali Bazaar, Lahore, the intensity level of sound is 80dB, what will be the intensity of sound there?
  14. At a particular temperature, the speed of sound in air is 330ms-1. If the wavelength of a note is 5cm, calculate the frequency of the sound wave. Is this frequency in the audible range of the human ear?
  15. A doctor counts 72 heartbeats in 1min. calculate the frequency and period of the heartbeats.
  16. A student clapped his hands neat a cliff and heard the echo after 5s. what is the distance of the cliff from the students if the speed of the sound is taken as 346ms-1?
  17. A sound wave has a frequency of 2kHz and a wavelength of 35cm. How long will it take to travel 1.5km?
  18. Find the frequency of sound, when the speed of sound is 340ms-1 and the wavelength is 0.5m.
  19. An object 10.0cm in front of a convex mirror forms an image 5.0cm behind the mirror. What is the focal length of the mirror?

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