Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 6]: Questions 1 - 7 of 177

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Question 1

Question

MCQ▾

Vibrations of bodies produce________.

Choices

Choice (4)Response

a.

Light

b.

Electricity

c.

Sound

d.

Thunder

Question 2

Question

MCQ▾

Potential energy decreases when ________.

Choices

Choice (4)Response

a.

Velocity of the object increases

b.

Height of the object decreases

c.

Mass of the object increases

d.

Question does not provide sufficient data or is vague

Question 3

Question

MCQ▾

What is the kinetic energy of a ball of mass 850 g and moving with a speed of ?

Choices

Choice (4)Response

a.

12 J

b.

9 ergs

c.

10.6 J

d.

6.7 N

Question 4

Question

MCQ▾

What is the work done by a book, which is on the ground for 30 seconds and having 2 kg weight?

Choices

Choice (4)Response

a.

2

b.

0

c.

d.

60

Question 5

Question

MCQ▾

At what time a chemical produces energy, in which the energy absorbed by reactants is less than the energy released by products?

Choices

Choice (4)Response

a.

When frozen

b.

React with carbon dioxide

c.

When burned

d.

React with

Question 6

Question

MCQ▾

Energy possessed by a body by virtue of its motion is:

Choices

Choice (4)Response

a.

Kinetic energy

b.

Potential energy

c.

Chemical energy

d.

Electrical energy

Question 7

Question

MCQ▾

The finger and thumb rings in a scissor are:

Choices

Choice (4)Response

a.

1st order lever

b.

2nd order lever

c.

3rd order lever

d.

Question does not provide sufficient data or is vague

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