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

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1654 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 500.00 or

## 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 ?

### 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.

60

b.

2

c.

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

## 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

f Page