# NSO Level 1- Science Olympiad (SOF) Class 9: Questions 1057 - 1061 of 1123

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## Passage

Direction: Observe the figure carefully and answer the question

## Question number: 1057 (1 of 2 Based on Passage) Show Passage

Edit
MCQ▾

### Question

A wooden block with mass 50g is immersed in water. It neither floats nor sinks completely. The weight of water displaced will be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1058

Edit
MCQ▾

### Question

A cylindrical drum filled with water is given in the figure. If the drum is kept on the terrace, pressure exerted by the drum on the terrace would be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1059

Edit
MCQ▾

### Question

Force acting per unit area of an object is called

### Choices

Choice (4) Response

a.

Buoyancy

b.

Thrust

c.

Gravitational force

d.

Pressure

## Question number: 1060

Edit
MCQ▾

### Question

Let the masses of two objects are M and m and the distance between them is d, According to Law of Universal Gravitation, the force of attraction between them is calculated by the formula

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1061

Edit
MCQ▾

### Question

An object is weighed by a spring balance while the mass is determined by a common balance. The statements supporting this fact is/are

### Choices

Choice (4) Response

a.

In a common balance, there are two pans to balance the gravitational force

b.

Mass of an object is the quantity of matter contained in it.

c.

Weight of an object is the force with which earth attracts it towards the centre.

d.

All a. , b. and c. are correct

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