Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 32 - 36 of 191

Access detailed explanations (illustrated with images and videos) to 1732 questions. Access all new questions- tracking exam pattern and syllabus changes. View the complete topic-wise distribution of questions. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 32

» Physics » Heat

Edit
MCQ▾

Question

It is sometimes difficult to open metal lids on the top of a jar. This is an example of?

Figure showing a jar with metal lid

Figure Showing a Jar with Metal Lid

Choices

Choice (4)Response

a.

Condensation

b.

Contraction

c.

Expansion

d.

Question does not provide sufficient data or is vague

Question number: 33

» Physics » Heat

Edit
MCQ▾

Question

In a chemical reaction energy absorbed by the reactants is less than the energy released by the products, Therefore,

Choices

Choice (4)Response

a.

Heat is consumed

b.

Heat is constant

c.

Heat is produced

d.

None of the above

Question number: 34

» Physics » Heat

Edit
MCQ▾

Question

A substance is expanded from its original state, which process might have done on the it?

Choices

Choice (4)Response

a.

Substance is freezed

b.

Substance is heated

c.

Substance is cooled

d.

All of the above

Question number: 35

» Physics » Motion and Time

Edit
MCQ▾

Question

If an object is moving with a constant velocity, what will be its acceleration?

Choices

Choice (4)Response

a.

Cannot be determined

b.

Zero

c.

Double the velocity

d.

Equal to velocity

Question number: 36

» Physics » Motion and Time

Edit
MCQ▾

Question

Which of the following statement is true?

Choices

Choice (4)Response

a.

Velocity is directly proportional to time.

b.

Distance is directly proportional to speed.

c.

Speed is inversely proportional to distance.

d.

None of the above

Developed by: