Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 44 - 47 of 73

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Question number: 44

» Physics » The Universe

MCQ▾

Question

Lunar eclipse occur when earth comes in between Sun and the Moon. Solar eclipse occurs when Moon comes in between Sun and Earth. This suggests that

Choices

Choice (4) Response

a.

Lunar and Solar eclipses occurs on a new Moon day

b.

lunar eclipse occurs on a new Moon day and solar eclipse on a full Moon day

c.

solar eclipse occurs on a new Moon day and lunar eclipse on a full Moon day

d.

Lunar and Solar eclipses occur on a full Moon day

Question number: 45

» Physics » Motion and Force

MCQ▾

Question

A body is thrown vertically upwards with velocity u. The distances travelled by it in the fifth and sixth seconds are equal. The velocity u is (g = 9.8 m/s2)

Choices

Choice (4) Response

a.

78.0 m/s

b.

49.0 m/s

c.

24.5 m/s

d.

54 m/s

Question number: 46

» Physics » Motion and Force

MCQ▾

Question

A body is thrown vertically upwards with a velocity u. Find the true statement from the following.

Choices

Choice (4) Response

a.

Velocity is maximum and acceleration is zero at the highest point

b.

velocity and acceleration are zero at its highest point

c.

Velocity is zero at the higher point and maximum height reached is u2/2g

d.

Velocity is maximum and acceleration is of downwards at its highest point

Question number: 47

» Physics » Work and Energy

MCQ▾

Question

A. The resistance of superconductor is zero.

B. The superconductors are used for the transmission of electric power.

Choices

Choice (4) Response

a.

A is false and B is false

b.

A and B are true

c.

A is true and B is false

d.

A and B are false

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