# Physics (NSTSE Class 6): Questions 51 - 58 of 74

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## Question number: 51

» Physics » Work and Energy

MCQ▾

### Question

Which of the following is an example of an object with Kinetic energy?

### Choices

Choice (4) Response

a.

Falling ball

b.

Water stored in tank

c.

Bent bow

d.

Stone at a height

## Question number: 52

» Physics » Work and Energy

MCQ▾

### Question

What is the least amount of energy required by a man to lift an object weighing 2000 N to a height of 5m?

### Choices

Choice (4) Response

a.

5000 J

b.

10, 000 N

c.

10, 000 J

d.

2000 N

## Question number: 53

» Physics » Work and Energy

MCQ▾

### Question

The energy stored in food is:

### Choices

Choice (4) Response

a.

Electrical

b.

Chemical

c.

Muscular

d.

Heat

## Question number: 54

» Physics » Work and Energy

MCQ▾

### Question

Two weights of 8 kg and 6 kg are placed on a table of height of 2.4 m. Which weight will have more potential energy?

### Choices

Choice (4) Response

a.

8 kg

b.

6 kg

c.

None of the above

d.

All of the above

## Question number: 55

» Physics » Work and Energy

MCQ▾

### Question

Which of the following energy of a gas molecule depends only on temperature?

### Choices

Choice (4) Response

a.

Chemical

b.

Potential

c.

Magnetic

d.

Kinetic

## Question number: 56

» Physics » Work and Energy

MCQ▾

### Question

C. G. S. unit of the work or energy is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

ergs

## Question number: 57

» Physics » Work and Energy

MCQ▾

### Question

________ is done when we ride a car.

### Choices

Choice (4) Response

a.

Speed

b.

Velocity

c.

Work

d.

Motion

## Question number: 58

» Physics » Work and Energy

MCQ▾

### Question

When light falls on certain materials, electrons are released. These electrons are called

### Choices

Choice (4) Response

a.

Extra electrons

b.

Free electrons

c.

Photoelectrons

d.

Valency electrons

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