NSO Level 1- Science Olympiad (SOF) Class 9: Questions 955 - 961 of 1128

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Question 955

Question

MCQ▾

The momentum of an electron with mass kg moving with a velocity of

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 956

Question

MCQ▾

Which of the following is not a result of applying force?

Choices

Choice (4)Response

a.

Change in position

b.

Change in direction of motion

c.

Change in shape or size

d.

None of the above

Question 957

Question

MCQ▾

When a sound producing object moves at supersonic speed, it produces

Choices

Choice (4)Response

a.

Tidal waves

b.

Shock waves

c.

Sound waves

d.

Sinusoidal waves

Question 958

Question

MCQ▾

Which kind of sound is produced by earthquakes before the main shock wave begins?

Choices

Choice (4)Response

a.

Infrasound

b.

Audible sound

c.

Ultrasound

d.

Question does not provide sufficient data or is vague

Question 959

Question

MCQ▾

Impulse produced on a body is calculated by the formula

Choices

Choice (4)Response

a.

Force x distance

b.

Force x time

c.

Mass x velocity

d.

Mass x acceleration

Question 960

Question

MCQ▾

Sound is a form of

Choices

Choice (4)Response

a.

Particles

b.

Waves

c.

Energy

d.

None of the above

Passage

Direction: Study the picture carefully and answer questions below.

Image Shows the Parts of Ear

Question 961 (1 of 5 Based on Passage)

Question

MCQ▾

In the picture, the function of labelled part Y is to

Choices

Choice (4)Response

a.

Amplify the vibrations produced inside the ear

b.

Collect the sound from its surroundings

c.

Send the electrical signals to the brain

d.

Convert the pressure variations into electrical signals

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