NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1112 - 1116 of 2184

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Question number: 1112

» Electromagnetic Waves » Electromagnetic Spectrum » Others

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MCQ▾

Question

The frequency of 3 to 30 kHz is known as,

Choices

Choice (4) Response

a.

Medium frequency band

b.

Ultra high frequency band

c.

High frequency band

d.

Audio band

Question number: 1113

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

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MCQ▾

Question

The figure shows variation of R, X L and X C with frequency f in a series LCR circuit. Then for what frequency point, the circuit is inductive?

Graph of R, XL and XC

Graph of R, XL and XC

Figure shows the variation of R, XL and XC with frequency f in a LCR circuit.

Choices

Choice (4) Response

a.

A

b.

B

c.

C

d.

Question does not provide sufficient data or is vague

Question number: 1114

» Ray Optics » Mirror Formula

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MCQ▾

Question

An object is placed at a distance of 50 cm from a convex mirror. A plane mirror is placed in front of the convex mirror in such a way that it convers half of the convex mirror. If the distance between object and plane mirror is 30 cm then there is no parallax between the images formed by two mirrors, the radius of curvature of convex mirror will be:

Choices

Choice (4) Response

a.

25 cm

b.

50 cm

c.

100cm

d.

12.5 cm

Question number: 1115

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

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MCQ▾

Question

The plane of a mirror makes an angle of 30° with horizontal. If a vertical ray is incident on a mirror, then what is the angle between mirror and reflected ray?

Choices

Choice (4) Response

a.

30°

b.

45°

c.

90°

d.

60°

Question number: 1116

» Ray Optics » Snell's Law

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MCQ▾

Question

Light of wavelength 6000 Å enters from air into water (a medium of refractive index 4/3). Find the speed and wavelength [c = 3 × 10 8 m/s]

Choices

Choice (4) Response

a.

3.15 × 10 8 m/s, 3500A

b.

2.25 × 10 8 m/s, 4500A

c.

1.25 × 10 8 m/s, 2500A

d.

3.45 × 10 8 m/s, 5500A