NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1089 - 1093 of 2320

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Question number: 1089

» Electromagnetic Induction & Alternating Currents » Resonance

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MCQ▾

Question

The power factor of LCR circuit at resonance is

Choices

Choice (4)Response

a.

1

b.

0.707

c.

0.5

d.

Zero

Question number: 1090

» Electromagnetic Induction & Alternating Currents » Resonance

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MCQ▾

Question

The phase difference between the current and voltage of LCR circuit in series combination at resonance is

Choices

Choice (4)Response

a.

b.

π

c.

d.

Question number: 1091

» Ray Optics » Lens Maker's Formula and Lens Formula

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MCQ▾

Question

For a Plano-convex lens of radius of curvature 10 cm, the focal length is 30 cm, if the refractive index of the material of the lens is,

Choices

Choice (4)Response

a.

2.0

b.

1.33

c.

1.66

d.

1.5

Question number: 1092

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

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MCQ▾

Question

Resolving power of a microscope doesn’t depend upon

(1) Velocity of light used

(2) Frequency of light used

(3) Focal length of objective

(4) Wavelength of light used

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

Codes:

Choices

Choice (4)Response

a.

1 and 2 are correct

b.

2 and 4 are correct

c.

1,2 and 3 are correct

d.

1 and 3 are correct

Question number: 1093

» Ray Optics » Deviation and Dispersion of Light by a Prism

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MCQ▾

Question

A glass prism of refractive index 1.5 and angle of prism 6° is put in contact with another prism of refractive index 1.6 when a ray of light is made incident on this combination normally then it emerges out undeviated. The angle of second prism will be

Choices

Choice (4)Response

a.

b.

c.

d.

6 0

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