Physics (NSTSE (National Level Science Talent Search Examination) Class 6): Questions 1 - 7 of 74

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Question number: 1

» Physics » Work and Energy

MCQ▾

Question

Vibrations of bodies produce________.

Choices

Choice (4) Response

a.

Electricity

b.

Thunder

c.

Light

d.

Sound

Question number: 2

» Physics » Work and Energy

MCQ▾

Question

Potential energy decreases when ________.

Choices

Choice (4) Response

a.

Height of the object decreases

b.

Mass of the object increases

c.

Velocity of the object increases

d.

All of the above

Question number: 3

» Physics » Work and Energy

MCQ▾

Question

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

Choices

Choice (4) Response

a.

10.6 J

b.

12 J

c.

9 ergs

d.

6.7 N

Question number: 4

» Physics » Work and Energy

MCQ▾

Question

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.

60Equation

b.

2Equation

c.

Equation

d.

0

Question number: 5

» Physics » Work and Energy

MCQ▾

Question

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 burned

b.

When frozen

c.

React with carbon dioxide

d.

React with Equation

Question number: 6

» Physics » Work and Energy

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Chemical energy

b.

Kinetic energy

c.

Electrical energy

d.

Potential energy

Question number: 7

» Physics » Work and Machines

MCQ▾

Question

The finger and thumb rings in a scissor are:

Choices

Choice (4) Response

a.

3rd order lever

b.

1st order lever

c.

2nd order lever

d.

All of the above

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