# Physics-Work and Energy (NSTSE Class 6): Questions 52 - 59 of 69

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## Question number: 52

» 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: 53

» 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: 54

» 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

## Question number: 55

» Physics » Work and Energy

MCQ▾

### Question

The ability to do works is called as ________.

### Choices

Choice (4) Response

a.

Potential

b.

Motion

c.

Energy

d.

Velocity

## Question number: 56

» Physics » Work and Energy

MCQ▾

### Question

What is the least amount of energy required by a man to kick an object weighing 580 N to a height of 9 m?

### Choices

Choice (4) Response

a.

15, 180 N

b.

46, 980 J

c.

5220 J

d.

6800 N

## Question number: 57

» Physics » Work and Energy

MCQ▾

### Question

Which energy is stored in the fireworks?

### Choices

Choice (4) Response

a.

Chemical energy

b.

Atomic energy

c.

Thermal energy

d.

Electrical energy

## Question number: 58

» Physics » Work and Energy

MCQ▾

### Question

When a stone is thrown upwards:

### Choices

Choice (4) Response

a.

Kinetic energy increases and potential energy decreases

b.

Kinetic energy and potential energy increases

c.

Kinetic energy and potential energy remain constant

d.

Kinetic energy decreases and potential energy increases

## Question number: 59

» Physics » Work and Energy

MCQ▾

### Question

A lamp converts ________energy to ________energy.

### Choices

Choice (4) Response

a.

Chemical – heat

b.

Electrical – light

c.

Chemical – electrical

d.

Light – electrical

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