CTET Science Quiz 1 – Physics Questions for CTET

CTET Science Questions – Physics Quiz 1

Q1. According to Coulomb’s law, the electrostatic force between two charges is

  1. inversely proportional to the product of the charges
  2. inversely proportional to the square of the distance between the charges
  3. directly proportional to the cube of the distance between charges
  4. none of these     Ans.B

 

Q2. 1 volt equals

  1. 1 J
  2. 1 J/C
  3. 1 C/J
  4. None of these     Ans.B

 

Q3. A positively charged body has

  1. excess of electron
  2. deficiency of electron
  3. no change in the number of electrons
  4. none of these     Ans.B

Q4. When a glass rod is rubbed with silk, both glass rod and silk

  1. acquire equal and similar charges
  2. acquire equal and opposite charge
  3. acquire unequal and opposite charge
  4. acquire unequal and similar charge     Ans.B

 

Q5. How many electrons will have a charge of one coulomb?

  1. 25 × 1018
  2. 20 × 1019
  3. 21 × 1018
  4. 23 × 1019     Ans.A

 

Q6. An electron volt is equal to

  1. 62 × 1013 J
  2. 6 × 10-13 J
  3. 62 × 1019 J
  4. 6 × 10-19 J     Ans.D

 

Q7. Two charges are placed at a distance apart. If a glass slab is placed between them, force between them will

  1. increase
  2. decrease
  3. remain same
  4. be zero     Ans.B

 

Q8. A laser beam is always

  1. a convergent beam
  2. a divergent beam
  3. a parallel beam
  4. none of these     Ans.C

 

Q9. The head mirror used by E.N.T. doctors is

  1. concave
  2. convex
  3. plane
  4. None of these     Ans.A

 

Q10. A water tank appears shallower when it is viewed from top due to

  1. rectilinear propagation of light
  2. reflection
  3. total internal reflection
  4. refraction     Ans.D

 

Q11. When we hear a sound, we can identify its source form –

  1. wave length of sound
  2. the overtones present in the sound
  3. the intensity of sound
  4. the amplitude of sound       Ans.B

 

Q12. Which of the following is not the unit of energy?

  1. Calorie
  2. Joule
  3. Electron Volt
  4. Watt       Ans.D

 

Q13. Beats occur because of –

  1. interference
  2. reflection
  3. refraction
  4. Doppler effect       Ans.A

 

Q14. The types of waves produced in a sonometer wire are –

  1. transverse progressive
  2. transverse stationary
  3. longitudinal progressive
  4. longitudinal stationary      Ans.B

 

Q15. Melting point of ice –

  1. increase with increase of pressure
  2. decrease with increase of pressure
  3. is independent of pressure
  4. None of these       Ans.B

 

Q16. The correct value of 0° C on the Kelvin scale is –

  1. 273 K
  2. 315 K
  3. 15 K
  4. 270K       Ans.B

 

Q17. A temperature at which both the Fahrenheit and the centigrade scales have the same value is –

  1. – 60°
  2. – 40°
  3. – 20°
  4. – 0°       Ans.B

 

Q18. Convex mirrors are used as a rear view mirror in motor cycles because –

  1. it forms real image
  2. it forms erect (upright) image
  3. it forms smaller image as compared with object
  4. All of the above         Ans.C

 

Q19. Which planets do not have satellites revolving around them?

  1. Mars and Venus
  2. Mercury and Venus
  3. Mars and Mercury
  4. Neptune and Pluto         Ans.B

 

Q20. Outside of cooking utensils are generally left black from below because –

  1. it is difficult to clean daily.
  2. black surface is a good conductor of heat.
  3. black surface is a poor conductor of heat.
  4. black surface is a good absorber of heat.         Ans.D

 

Q21. Two blocks of ice when pressed together join to form one block because  

  1. of heat produced during pressing
  2. of cold produced during pressing
  3. the melting point of ice increases with an increase of pressure
  4. the melting point of ice decreases with an increase of pressure          Ans.D

 

Q22. In a pressure cooker, the cooking is fast because  

  1. the boiling point of water is raised by the increased pressure inside of the cooker
  2. the boiling point of water is lowered by the increased pressure
  3. more steam is available to cook the food at 1000°C
  4. None of these         Ans.A

 

Q23. It is difficult to cook at high altitudes because  

  1. there is less oxygen in the air
  2. due to falling temperature, more heat has to be given
  3. due to the decrease in atmospheric pressure, the boiling point of water decreases 
  4. of high moisture content there         Ans.C


Q24. Rainbow formation is due to

  1. absorption of sunlight by water droplets
  2. diffusion of sunlight through water droplets
  3. ionization of water droplets
  4. refraction and reflection of sunlight by water droplets         Ans.D

 

Q25. The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

  1. increases
  2. decreases
  3. remains unchanged
  4. decreases linearly         Ans.A

 

Q26. A large iceberg melts at the base but not at the top because  

  1. the base of iceberg remains in warmer conditions
  2. ice at the base contains impurities
  3. higher pressure at the base lowers the melting point of ice
  4. ice at the top is a different kind         Ans.C

 

Q27. On a rainy day, small oily films on water show brilliant colors. This is due to 

  1. scattering
  2. interference
  3. polarization
  4. none of these         Ans.B

 

Q28. To an astronaut in space, the sky will appear to be

  1. violet
  2. red
  3. blue
  4. black         Ans.D

 

Q29. The boiling point of a liquid is  

  1. affected by an addition of the soluble substance
  2. increases with an increase of pressure
  3. both (a) and (b)
  4. None of these         Ans.C

 

Q30. A closed bottle containing water at room temperature is taken to the moon and then the lid is opened. Then water will  

  1. freeze
  2. boil
  3. decompose into hydrogen and oxygen
  4. not change at all         Ans.B

 

Q31. Harry Brearley has invented

  1. Electric iron
  2. Electromagent
  3. Stainless Steel
  4. Gramophone         Ans.C

 

Q32. Radian per second is unit of

  1. Momentum
  2. Moment of Inertia
  3. Frequency
  4. Angle Velocity         Ans.D

 

Q33. Who discovered Diode Bulb ?

  1. Henry Becquerel
  2. Sir J.S. Fleming
  3. Lee De Forest
  4. Archemedes         Ans.B

 

Q34. Radiocarbon is produced in the atmosphere as a result of

  1. collision between fast neutrons and nitrogen nuclei present in the atmosphere
  2. action of ultraviolet light from the sun on atmospheric oxygen
  3. action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
  4. lightning discharge in atmosphere         Ans.A

 

Q35. The absorption of ink by blotting paper involves

  1. capillary action phenomenon
  2. viscosity of ink
  3. siphon action
  4. diffusion of ink through the blotting         Ans.A

 

Q36. Siphon will fail to work if

  1. both its limbs are of unequal length
  2. the temperature of the liquids in the two vessels are the same
  3. the level of the liquid in the two vessels are at the same height
  4. the densities of the liquid in the two vessels are equal         Ans.C

 

Q37. Nuclear sizes are expressed in a unit named

  1. Fermi
  2. Angstrom
  3. Newton
  4. Tesla         Ans.A

 

Q38. Light year is a unit of

  1. Time
  2. Light
  3. Distance
  4. Intensity of light         Ans.C

 

Q39. Radian is used to measure

  1. Temperature
  2. Intensity of Flame
  3. Angle
  4. Solid Angle         Ans.C

 

Q40. Newton is used to measure

  1. Speed
  2. Volume
  3. Force
  4. Area         Ans.C

 

Q41. When a fluid passes through the constricted part of a pipe, its:

  1. velocity and pressure decrease
  2. velocity and pressure increase
  3. velocity decreases and pressure increases
  4. velocity increases and pressure decreases         Ans.D

 

Q42. The rate of leak from a hole in a tank is:

  1. independent of its height from the bottom
  2. more if situated near the bottom
  3. more if situated near its soap
  4. more at midway between top and bottom         Ans.B

 

Q43. Viscosity is the property of liquids by virtue of which they:

  1. oppose the relative motion of its parts
  2. push neighbouring molecules  
  3. attract other molecules  
  4. become conducting         Ans.A

 

Q44. If temperature rises, the coefficient of viscosity of liquid:

  1. decreases
  2. increases
  3. remains unchanged
  4. none of these         Ans.A

 

Q45. In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

  1. Copper
  2. Iron
  3. Aluminium
  4. Titanium         Ans.D

 

Q46. Surface tension depends on:  

  1. nature of the liquid
  2. temperature of the liquid
  3. atmospheric pressure
  4. all of the above         Ans.D

 

Q47. When some detergent is added to water, the surface tension:   

  1. increases
  2. decreases
  3. remains unaffected
  4. none of these         Ans.B

 

Q48. Meniscus of mercury in a capillary is:  

  1. concave
  2. convex
  3. plane
  4. cylindrical         Ans.B

 

Q49. With the rise of temperature, the surface tension of a liquid:  

  1. increases
  2. decreases 
  3. remains unchanged
  4. none of these       Ans.B

 

Q50. An oil drop is placed on the surface of water. It will:  

  1. remain on the surface as a sphere
  2. remain on the surface as a distorted drop
  3. spread as a thin layer
  4. none of these       Ans.C

ATTEMPT OTHER CTET QUIZES
CTET Physics Quiz 1 CTET Physics Quiz 2
 CTET Physics Quiz 3

 

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