Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 59 - 62 of 78

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Question number: 59

» Physics » The Universe

MCQ▾

Question

Given that there is a relationship between the orbital radius of a planet and its period of revolution and that the periods of revolution of Mercury, Earth, Jupiter and Neptune are nearly 0.24, 1, 11.8 and 165 years. It follows that the period of revolution of

I. Venus is less than 0.24 years

II. Mars is less than 12 years

III. Uranus is more than 165 years

IV. Uranus is less than 165 years but more than 12 years

The correct statement (s) is/are

Choices

Choice (4) Response
a.

IV Only

b.

I and III

c.

II and IV

d.

III Only

Question number: 60

» 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: 61

» 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: 62

» 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

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