NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 1062 - 1066 of 2142

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Question number: 1062

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

MCQ▾

Question

An alternating current source of frequency 100 Hz is joined to a combination of a resistance, a capacitance and a inductance in series. The potential difference across the inductance, the resistance and the capacitor is 46, 8 and 40 volt respectively. The electromotive force of alternating current source in volt is

Choices

Choice (4) Response

a.

94

b.

14

c.

76

d.

10

Question number: 1063

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

MCQ▾

Question

A girl stands at a distance 30 cm from the mirror. She is able to see her erect image but of 1/5 height of actual height. The mirror will be:

Choices

Choice (4) Response

a.

Concave mirror

b.

Convex mirror

c.

Plane convex mirror

d.

Plane mirror

Question number: 1064

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

Assertion-Reason▾

Assertion (Ꭺ)

When an object is placed between two plane parallel mirrors. Then all the images found are of different intensity.

Reason (Ꭱ)

In case of plane parallel mirrors, only two images are possible.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

Question number: 1065

» Ray Optics » Power of a Lens

MCQ▾

Question

An equiconvex lens has a power of 5 diopter. If it is made of glass of refractive index 1.5 then the radius of the curvature of each surface will be

Choices

Choice (4) Response

a.

zero

b.

10 cm

c.

20 cm

d.

5 cm

Question number: 1066

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

MCQ▾

Question

In case of thin lens of focal length Equation an object is placed at a distance Equation from first focus and its image is formed at a distance Equation from the second focus, find Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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