# NSO Level 1- Science Olympiad (SOF) Class 9: Questions 947 - 953 of 1123

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## Passage

An ice block of mass moving with a speed of struck with another ice block of mass, resting on a frictionless floor after forcing it to move ahead.

## Question number: 947 (1 of 3 Based on Passage) Show Passage

Edit
MCQ▾

### Question

The initial acceleration of the second ice block would be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 948 (2 of 3 Based on Passage) Show Passage

Edit
MCQ▾

### Question

If both the blocks move together with same velocity after collision, the final velocity would be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 949 (3 of 3 Based on Passage) Show Passage

Edit
MCQ▾

### Question

Total momentum after collision would be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 950

Edit
MCQ▾

### Question

Proportional to the square of the time taken. This theory was introduced by

### Choices

Choice (4) Response

a.

Galileo Galilei

b.

Albert Einstein

c.

Archimedes

d.

Sir Isaac Newton

## Question number: 951

Edit
MCQ▾

### Question

Kavya is listening to a sound of at a distance of from the source of a sound. What is the time interval between successive compressions from the source reaches him?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 952

Edit
MCQ▾

### Question

If the driver applies breaks suddenly in a moving bus, what happens to the passengers?

### Choices

Choice (4) Response

a.

Move forwards

b.

Move sidewise

c.

Do not move

d.

Move backwards

## Question number: 953

Edit
MCQ▾

### Question

Which of the following is not a cause of starting motion?

### Choices

Choice (4) Response

a.

Pulling

b.

Pushing

c.

Hitting

d.

None of the above

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