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#### Physics Solved MCQs Online Quiz Test

Q.1: In case of planets the necessary acceleration is provided by——-?

- Gravitational force
- Frictional force
- Coulomb force
- Centripetal force

A

Q.2: If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is——-?

- 4 rad. S-1
- 5 rad. S-1
- 1.6 rad. S-1
- 2.8 ms-1

B

Q.3: A body can have constant velocity when it follows a——-?

- Elliptical path
- Circular path
- Parabolic path
- Rectilinear path

D

Q.4: A body moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R the ration of displacement to the covered path will be——-?

- πR
- 2π R
- 0
- 4πR

C

Q.5: The angular speed for daily rotation of the earth in rad S-1 is——-?

- 7.3 x 10 radians/second
- 7.3 x 5 radians/second
- 3.7 x 10 7.3 x 5 radians/second
- 7.3 x 10-5 radians/second

D

Q.6: When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is——–?

- 2π
- π/2
- π
- 20π

B

Q.7: A cyclist cycling around a circular racing track skids because——-?

- the centripetal force upon him is less than limiting friction
- the centripetal force upon him is greater than limiting friction
- the centripetal force upon him is equal to the limiting friction
- the friction between the tyres of the cycle and road vanishes

B

Q.8: If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is——-?

- π /3 x r
- π/6 x r
- V/30 x r
- π / 180 x r

B

Q.9: In an angular motion, Newton’s second law of motion is——-?

- F=ma
- F=τp/It
- Στ = I α
- All above

C

Q.10: The angular speed of seconds hand of a watch in rads-1 is——-?

- π
- π/2
- π/30
- π/180

C