NEET Physics: Questions 2072 - 2075 of 2142

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Question number: 2072

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

Appeared in Year: 2016

MCQ▾

Question

An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surface and 3 cm deep when viewed from the opposite face. The thickness (in cm) of the slab is –

Choices

Choice (4) Response

a.

12

b.

10

c.

8

d.

16

Question number: 2073

» Electromagnetic Induction & Alternating Currents » Reactance and Impedance

Appeared in Year: 2016

MCQ▾

Question

The potential differences across the resistance, capacitance and inductance are Equation and Equation respectively in an L-C-R circuit. The power factor of this circuit is –

Choices

Choice (4) Response

a.

0.8

b.

Equation

c.

0.4

d.

0.5

Question number: 2074

» Electromagnetic Induction & Alternating Currents » Quality Factor

Appeared in Year: 2016

MCQ▾

Question

Which of the following combination should be selected for better tuning of an L-C-R circuit used for communication?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2075

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

Appeared in Year: 2016

MCQ▾

Question

An electron is moving in a circular path under the influence of a transvers magnetic field of Equation If the value of Equation is Equation , the frequency of revolution of the electron is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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