NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1039 - 1044 of 2184

Access detailed explanations (illustrated with images and videos) to 2184 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 1039

» Electromagnetic Induction & Alternating Currents » Resonance

Edit
MCQ▾

Question

The resonant frequency of a circuit is f. If the capacitance is made 4 times the initial values, then the resonance frequency will become

Choices

Choice (4) Response

a.

f

b.

c.

174

d.

Both b. and c. are correct

Question number: 1040

» Electromagnetic Induction & Alternating Currents » Power in AC Circuits

Edit
MCQ▾

Question

If a current I given by flows in an ac circuit across which an ac potential of has been applied, then the average power consumption P in the circuit will be

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1041

» Ray Optics » Mirror Formula

Edit
MCQ▾

Question

The radius of a glass ball is 5 cm. There is an air bubble at l cm from the center of the ball and refractive index of glass is 1.5. The position of image viewed from surface near the bubble is.

Choices

Choice (4) Response

a.

4.63 cm

b.

2.12 cm

c.

5.12 cm

d.

3.63 cm

Question number: 1042

» Electrostatics » Capacitors

Edit
MCQ▾

Question

A parallel plate capacitor with plate area A and separation between the plates d, is charged by a constant current i. Consider a plane surface of area parallel to the plates and drawn symetrically between the plates, What is the displacement current through this area?

Choices

Choice (4) Response

a.

i

b.

c.

2i

d.

Question number: 1043

» Electromagnetic Waves » Electromagnetic Waves & Characteristics

Edit
MCQ▾

Question

Unit of expression µ 0ϵ 0 is,

Choices

Choice (4) Response

a.

s/m

b.

m/s

c.

m 2 /s 2

d.

s 2 /m 2

Question number: 1044

» Ray Optics » Reflection and Refraction of Light » Smooth Surface

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

The size of the mirror doesn’t affect the nature of the image.

Reason (Ꭱ)

Small mirror always forms a virtual image.

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