Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 16 - 19 of 78

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Question number: 16

» Physics » Motion and Force

MCQ▾

Question

Graph of Distance vs. Time

Graph of Distance vs. Time

Showing the graph of Distance vs. Time and slope made by it This graph shows

Choices

Choice (4) Response
a.

constant velocity

b.

constant acceleration

c.

constant speed

d. All of the above

Question number: 17

» Physics » Light

MCQ▾

Question

Consider the following statements

I. Concave mirror forms virtual and enlarged image of a real object placed very near to it, so it is used by dentists to examine teeth.

II. Concave lens always form virtual image of smaller size of a real object and it is thinner in middle.

III. Plane mirror always forms virtual image of the same size of a real object.

IV. Convex mirror always forms virtual image of bigger size of a real object.

V. Convex lens forms real and diminished image of a real object placed near to it, so it is used as reading glass.

Which of the above statements is/are correct ?

Choices

Choice (4) Response
a.

I, II and III

b.

II and III

c.

IV and V

d. All of the above

Question number: 18

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The pattern in which the iron filings will align, if a current carrying straight conductor is kept in the mid of iron filling, is

Choices

Choice (4) Response
a.

remain as such

b.

concentric circle

c.

zig-zag manner

d.

straight line

Question number: 19

» Physics » Motion and Force

MCQ▾

Question

Why is it difficult to drive a car on a rainy day?

Choices

Choice (4) Response
a.

On wet road friction decreases

b.

On wet road friction increases

c.

The brakes of car does not work

d. All of the above

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