Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 49 - 53 of 78

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Question number: 49

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

In the electric circuit shown below.

An electric circuit with six bulbs

An Electric Circuit With Six Bulbs

Find the number of bulbs which will glow

Choices

Choice (4) Response

a.

Only bulb 3 will glow

b.

All the bulbs will glow

c.

Bulbs 4, 5 and 6 will glow

d.

None of the above

Question number: 50

» Physics » Motion and Force

MCQ▾

Question

A stone is dropped into water from a bridge 44.1 m above the water. Another stone is thrown vertically downward 1 s later. Both strike the water simultaneously. What was the initial speed of the second stone?

Choices

Choice (4) Response

a.

17.15 ms

b.

14.75 ms

c.

12.25 ms

d.

16.23 ms

Question number: 51

» Physics » Motion and Force

MCQ▾

Question

A particle is projected up with an initial velocity of 80 ft/s. The ball will attain height of 96 ft from the ground after

Choices

Choice (4) Response

a.

Only at 15.02 s

b.

After 1 and 2 s

c.

Only at 1.3 s

d.

1.3 and 15.02 s

Question number: 52

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

Which one of the following statements is wrong?

Choices

Choice (4) Response

a.

Ammeter is placed in parallel

b.

Voltmeter should have high resistance

c.

Ammeter should have low resistance

d.

Voltmeter is placed in parallel across the conductor in a circuit

Question number: 53

» Physics » Light

MCQ▾

Question

Cathode rays are produced when high electric voltage is applied to the gas held in a discharge tube at a pressure of about

Choices

Choice (4) Response

a.

105 atm

b.

103 atm

c.

100 atm

d.

1 atm

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