NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1893 - 1897 of 2320

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

Question number: 1893

» Oscillations and Waves » Reflection of Waves

Edit
Assertion-Reason▾

Question

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 and Ꭱ is the correct explanation of Ꭺ

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

Question number: 1894

» Communication System » Propagation of Electromagnetic Waves in the Atmosphere

Edit
MCQ▾

Question

While tuning in a certain broadcast station with a receiver, we are actually,

Choices

Choice (4)Response

a.

Varying the frequency of the radio signal to be picked

b.

Tuning the antenna

c.

Varying the local oscillator frequency

d.

Question does not provide sufficient data or is vague

Question number: 1895

» Experimental Skills » Potentiometer

Edit
MCQ▾

Question

Potential gradient of a potentiometer is equal to

Choices

Choice (4)Response

a.

resistance per unit length

b.

emf per unit length

c.

potential drop per unit length

d.

current per unit length

Question number: 1896

» Experimental Skills » Zener Diode

Edit
MCQ▾

Question

A Zener diode operates on which of the following bias?

Choices

Choice (4)Response

a.

No biasing is required for it.

b.

forward and reverse bias.

c.

Reverse bias

d.

Forward bias

Question number: 1897

» Experimental Skills » Meter Bridge

Edit
MCQ▾

Question

If the wire in the experiment to determine the resistivity of a material using meter bridge is replaced by copper or hollow wire the balance point i. e. null point shifts to

Choices

Choice (4)Response

a.

at same point

b.

left

c.

right

d.

None of the above

Developed by: