# Work, Energy and Power-Elastic and Inelastic Collisions (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 3 of 7

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## Question number: 1

» Work, Energy and Power » Elastic and Inelastic Collisions

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MCQ▾

### Question

Two balls at the same temperature collide inelastically. Which of the following is not conserved?

(a) 1,2 and 3 are correct

(b) 1 and 2 are correct

(c) 2 and 4 are correct

(d) 1 and 3 are correct

Select the correct answers and mark it according to the following codes

### Choices

Choice (4) Response

a.

Velocity

b.

Momentum

c.

Temperature

d.

Kinetic energy

## Question number: 2

» Work, Energy and Power » Elastic and Inelastic Collisions

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MCQ▾

### Question

In an elastic collision-

### Choices

Choice (4) Response

a.

Momentum is conserved but kinetic energy is not conserved

b.

Momentum is not conserved but kinetic energy is conserved

c.

Neither momentum nor kinetic energy is conserved

d.

the momentum and kinetic energy are conserved

## Question number: 3

» Work, Energy and Power » Elastic and Inelastic Collisions

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Assertion-Reason▾

### Assertion (Ꭺ)

A particle of mass m strikes a wedge of mass M horizontally as shown in the figure. If collision is perfectly inelastic then, it can be concluded that the particle sticks to the wedge. Particle of Mass M Strikes a Wedge of Mass M Horizontally In above we figure we show that the triangle, and the particle have mass m and M.

### Reason (Ꭱ)

In perfectly inelastic collision velocity of both bodies is same along common normal just after collision.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

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