Physics-Motion and Force (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 3 of 26

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Question number: 1

» Physics » Motion and Force

Appeared in Year: 2013

MCQ▾

Question

An electron moving with uniform velocity in x direction enters a region of unifonn magnetic field along y direction. Which of the following physical quantity (ies) is (are) non-zero and remain constant?

A graph of moving electron along x axis

A Graph of Moving Electron Along X Axis

Electron is moving in x direction with uniform velocity then enters to uniform magnetic field

I. Velocity of the electron.

II. Magnitude of the momentum of the electron.

III. Force on the electron.

IV. The kinetic energy of electron.

Choices

Choice (4) Response

a.

Only II and IV.

b.

Only III and IV

c.

Only I and II.

d.

None of the above

Question number: 2

» Physics » Motion and Force

Appeared in Year: 2013

MCQ▾

Question

The figure shown below depicts the distance travelled by a body as a function of time.

 A distance vs time graph

a Distance vs Time Graph

Find the average and maximum speed of a body by using given traveled distance in given time

The average speed and maximum speed between 0 and 20 s are

Choices

Choice (4) Response

a.

2.0 m/s, 2.6 m/s respectively

b.

1.3 m/s, 2.0 m/s respectively.

c.

1 m/s, 2.0 m/s respectively.

d.

1 m/s, 1.6 m/s respectively.

Question number: 3

» Physics » Motion and Force

Appeared in Year: 2013

MCQ▾

Question

The figure below shows the position of a ball at t = 0, t = 1 s, t = 2 s, t = 3 s and t = 4 s

A position vs time graph of a ball

A Position vs Time Graph of a Ball

A ball change its position at five different times

Which of the graph below is a possible graph of the position x (t)?

Choices

Choice (4) Response

a.

A position vs time graph of a ball - Choice A

A Position vs Time Graph of a Ball - Choice A

A ball change its position at five different times

b.

A position vs time graph of a ball - Choice B

A Position vs Time Graph of a Ball - Choice B

A ball change its position at five different times

c.

A position vs time graph of a ball - Choice C

A Position vs Time Graph of a Ball - Choice C

A ball change its position at five different times

d.

A position vs time graph of a ball - Choice D

A Position vs Time Graph of a Ball - Choice D

A ball change its position at five different times

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