Physics Class- 11 - Vigyan Bank

Report a question

Physics Class 11

This Quiz Contains a Set of 10 Questions.

Passing cut-off is 60%.

To Start the Quiz... Click on the Start Button.

All the Best.

1 / 10

The periodic time of a body executing simple harmonic motion is 3s. After how many intervals from t = 0, its displacement will be half of its amplitude?

\frac{1}{8} s

\frac{1}{6} s

\frac{1}{4} s

\frac{1}{3} s

2 / 10

The dimensional formula for curie is:

[M^{0} L T^{- 1}]

[M^{0} L^{- 1} T^{0}]

[M^{0} L^{0} T^{- 1}]

[M^{- 1} L^{0} T^{0}]

3 / 10

If g is the acceleration due to gravity on the earth's surface, an object of mass m is raised from the surface of the earth to a height equal to the radius of the earth R. The gain in potential energy will be:

\frac{1}{4} m g R

\frac{1}{2} m g R

2 m g R

m g R

4 / 10

The angle between the vectors \((\;\widehat i\;+\;\widehat j\;)\) and \((\;\widehat j\;-\;\widehat k\;)\) is:

30°

45°

60°

90°

5 / 10

A graph is drawn for a force along the y-axis and for time along the x-axis. The area under the graph represents:

Momentum

Couple

Moment of the force

Impulse of the force

6 / 10

A car runs 1200 meters in 22.5 sec. The average speed of the car in the appropriate significant figure is:

53.3 m/s

53.33 m/s

53.333 m/s

53 m/s

7 / 10

An ideal gas undergoes four different processes from the same initial state as shown in the figure. Four processes are adiabatic, isothermal, isobaric & isochoric. Out of 1, 2, 3 & 4 which one is adiabatic:

8 / 10

The energy required to move a satellite of mass m from an orbit of radius 2R to 3R is, (M is mass of the earth):

\frac{G M m}{12 R^{2}}

\frac{G M m}{3 R^{2}}

\frac{G M m}{8 R}

\frac{G M m}{6 R}

9 / 10

A particle revolves around a circular path. The acceleration of the particle is inversely proportional to:

Radius

Velocity

Mass of particle

None of the above

10 / 10

The root mean square speed of the molecules of a gas is:

independent of its pressure but directly proportional to its Kelvin temperature

directly proportional to two square root of both its pressure and its Kelvin temperature

independent of its pressure but directly proportional to the square root of its Kelvin temperature.

directly proportional to its pressure and its Kelvin temperature.

Your score is