Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 65 - 67 of 73

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Question number: 65

» Physics » Motion and Force

MCQ▾

Question

The graph shows positions as a function of time for two trains A and B running on parallel tracks. For times greater than, which of the following statement is true?

Positions as a function of time for two trains A ans B

Positions as a Function of Time for Two Trains a Ans B

Positions as a function of time for two trains A and B running on parallel tracks

Choices

Choice (4) Response

a.

At time, both trains have the same velocity.

b.

A and B trains may have the same velocity at some time earlier than.

c.

Graph indicates that both trains have the same acceleration at a given time.

d.

A and B trains speed up all the time.

Question number: 66

» Physics » Magnetism & Electricity at Work

Appeared in Year: 2013

MCQ▾

Question

Consider a simple circuit containing a battery and three identical incandescent bulbs A, B and C. Bulb A is wired in parallel with bulb B and this combination is wired in series with bulb C. What would happen to the brightness of the other two bulbs if bulb A were to burn out?

Choices

Choice (4) Response

a.

There would be no change in the brightness of either bulb B or bulb C

b.

A and B would get brighter

c.

Only bulb B would get brighter

d.

Bulb B would get brighter and bulb C would get dimmer

Question number: 67

» Physics » Light

MCQ▾

Question

Consider the following: To protect yourself from lightening you will

I. go under a building and small trees.

II. Crouch on your feet.

III. stand on the ground.

IV. lie on the ground.

Which of the above is/are correct?

Choices

Choice (4) Response

a.

II and III

b.

III and IV

c.

I and IV

d.

I and II

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