Physics MCQs Quiz Test For SST Teacher |

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### Objective Type Physics Solved Quiz Test

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Q.1: According to Einstein, the gravitational interaction is possible between-------- ?

- material objects only
- material objects and electromagnetic radiation only
- electromagnetic radiations
- none of the above

B

Q.2: When a body moves in a circle of radius r with linear speed V its centripetal force is--------- ?

- mV/r2
- mV/r
- mV2/r
- mV2/r2

C

Q.3: If a diffraction grating is placed in the path of a light beam it reveals-------- ?

- Wave property
- Particle property
- Energy particle
- Electromagnetic wave property

A

Q.4: In an angular motion, Newton’s second law of motion is-------- ?

- F=ma
- F=Ï„p/It
- Î£Ï„ = I Î±
- All above

C

Q.5: When fluid is incompressible then----------- ?

- The velocity of the fluid is constant
- The flow of the fluid is the straight line
- The density of the fluid is constant
- The volume of the fluid is constant

C

Q.6: In cricket when a bowler produce reverse swing the ball will move towards------- ?

- The shinning side of the ball
- Rough side
- The seam of the ball
- Goes straight

A

Q.7: The length of the second pendulum is-------------- ?

- 100 cm
- 99 cm
- 99.2 cm
- 98 cm

C

Q.8: Select an alternative from of uncertainly principle from the following------- ?

- ∆E = h/m∆c(1-cosÎ¸)
- ∆E . ∆t = h
- mc2 = hv
- Any of above

B

Q.9: The least distance of distinct vision for a normal eye is--------- ?

- 15 cm
- 25 cm
- 30 cm
- 40 cm

B

Q.10: Excited atoms return to their ground state in-------- ?

- 10-10s
- 10-8s
- 10-6s
- 10-9s

B

Q.11: In laser production the state in which more atoms are in the upper state than in the lower one is called---------- ?

- Metal stable state
- Normal state
- Inverted population
- All the above

C

Q.12: The value of resistivity for insulator is of the order of-------- ?

- 105 ohm metre
- 106 ohm metre
- 107 ohm metre
- 108 ohm metre

D

Q.13: Acceptor and donor impurities donate-------- ?

- n-carriers only
- p-carriers only
- p-carriers and n-carriers respectively
- n-carriers and p-carriers respectively

C

Q.14: Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their-------- ?

- volume
- pressure
- absolute temperature
- time

C

Q.15: Which of the following properties of molecules of a gas is same for all gases at particular temperature ?

- momentum
- mass
- velocity
- kinetic energy

D

Q.16: Unit vector n^ is along--------- ?

- X-axis
- Normal on a surface
- Y-axis
- Z-axis

B

Q.17: Mass defect per nucleon is ----------- ?

- The binding energy of the nucleus
- Packing fraction
- The average energy of the nucleus
- All of above are one and the same thing

B

Q.18: If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along--------- ?

- West
- North
- Down
- Up

C

Q.19: In vibratory motion--------- ?

- P.E. remains constant
- K.E. remain constant
- total energy remains constant
- total momentum remains constant

C

Q.20: The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body --------- ?

- 10 cm
- 5 cm
- 15 cm
- 7.5 cm

B