NSO Level 1- Science Olympiad (SOF) Class 9: Questions 1022 - 1026 of 1123

Access detailed explanations (illustrated with images and videos) to 1123 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 1022

» Physics » Sound

Edit
MCQ▾

Question

A sound wave is different than a light wave in that a sound wave is

Choices

Choice (4) Response

a.

Capable of existing with a variety of frequencies and a light wave has a single frequency

b.

Not capable of travelling through a vaccum

c.

Not capable of diffracting and a light wave is

d.

Produced by an oscillating object and a light wave is not

Question number: 1023

» Physics » Sound

Edit
MCQ▾

Question

At the end of the auditory canal, there is a thin membrane called

Choices

Choice (4) Response

a.

Eardrum

b.

Hammer

c.

Eustachian tube

d.

Pinna

Question number: 1024

» Physics » Force & Laws of Motion

Edit
MCQ▾

Question

It is compulsory for the driver and co-driver to wear seat belt in traffic rule. The scientific explanation of this rule is

Choices

Choice (4) Response

a.

To avoid accidents by dashing with the dash board.

b.

To avoid the chances of dashing with the dash board while applying breaks.

c.

The passenger moves forward due to inertia while applying breaks.

d.

All a. , b. and c. are correct

Passage

Direction: Study the picture carefully and answer the question

Image shows the instrument

Image Shows the Instrument

Image shows the instrument

Question number: 1025 (1 of 3 Based on Passage) Show Passage

» Physics » Sound

Edit
MCQ▾

Question

The instrument shown in the picture is a

Choices

Choice (4) Response

a.

Megaphone

b.

Trumpet

c.

Stethoscope

d.

Horn

Question number: 1026 (2 of 3 Based on Passage) Show Passage

» Physics » Sound

Edit
MCQ▾

Question

The function of the instrument given in the picture is to

Choices

Choice (4) Response

a.

Produce mixture of several frequencies

b.

Convert sound waves into electrical signals

c.

Amplify and direct the voice

d.

Echo the voice

Developed by: