NEET Physics: Questions 1110 - 1113 of 2098

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Question number: 1110

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

MCQ▾

Question

For series LCR circuit, correct statements are

(1) Applied e. m. f. and potential difference across resistance may be in phase

(2) Applied e. m. f. and potential difference at inductor coil have phase difference of π/2

(3) Potential difference across resistance and capacitor have phase difference of π/2

(4) Potential difference at capacitor and inductor have phase difference of π/2

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

Codes:

Choices

Choice (4) Response

a.

1 and 3 are correct

b.

2 and 4 are correct

c.

1, 2 and 3 are correct

d.

1 and 2 are correct

Question number: 1111

» Electromagnetic Waves » Electromagnetic Spectrum » Others

MCQ▾

Question

The frequency of 3 to 30 kHz is known as,

Choices

Choice (4) Response

a.

Ultra high frequency band

b.

Medium frequency band

c.

High frequency band

d.

Audio band

Question number: 1112

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

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.

All of the above

Question number: 1113

» Ray Optics » Mirror Formula

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.

50 cm

b.

25 cm

c.

100cm

d.

12.5 cm

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