# Oscillations and Waves-Reflection of Waves (NEET Physics): Questions 1 - 3 of 3

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

## Question number: 1

» Oscillations and Waves » Reflection of Waves

Assertion-Reason▾

### Assertion (Ꭺ)

Sound from a tuning fork is louder when its stem is placed on a desktop

### Reason (Ꭱ)

When a wave reaches another denser medium some part of it is reflected.

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is true but Ꭱ is false

d.

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

## Question number: 2

» Oscillations and Waves » Reflection of Waves

Assertion-Reason▾

### Assertion (Ꭺ)

Velocity of particles, while crossing mean position (in stationary waves) varies from maximum at antinodes to zero at nodes.

### Reason (Ꭱ)

Amplitude of vibration at antinodes is maximum and at nodes, the amplitude is zero, and all particles between two successive nodes cross the mean position together.

### Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

## Question number: 3

» Oscillations and Waves » Reflection of Waves

Assertion-Reason▾

### Assertion (Ꭺ)

In the case of a stationary wave, a person hears a loud sound at the nodes as compared to the antinodes.

### Reason (Ꭱ)

In a stationary wave all the particles of the medium vibrate in phase.

### 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.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

f Page