KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics: Questions 98 - 101 of 268

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Question number: 98

» Laws of Motion » Laws of Friction

Appeared in Year: 2013

MCQ▾

Question

A plank is resisting on a horizontal ground in the northern hemispherical of the Earth at a 450 latitude. Let the angular speed of the Earth be ω and its radius re. The magnitude of the frictional force on the plank will be,

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 99

» Oscillations and Waves » Simple Pendulum

Appeared in Year: 2012

MCQ▾

Question

A simple pendulum is released from rest at the horizontally stretched position. When the string makes an angle θ with the vertical, the angle ϕ which the acceleration vector of the bob makes with the string is given by,

A simple pendulum making an angle (theta)

A Simple Pendulum Making an Angle (Theta)

In figure a simple pendulum made an angle (theta) with the vertical.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 100

» Thermodynamics » Thermal Equilibrium

Appeared in Year: 2013

MCQ▾

Question

The bulk modulus of a gas is defined as. For an adiabatic process the variation of B is proportional to. For an ideal gas, n is –

Choices

Choice (4) Response

a.

b.

0

c.

2

d.

1

Question number: 101

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

Appeared in Year: 2013

MCQ▾

Question

An arrangement with a pair of quarter circular coils of radii r and R with a common centre C and carrying a current (I) are shown.

An arrangement with a pair of quarter circular coils

An Arrangement With a Pair of Quarter Circular Coils

Figure shows an arrangement with a pair of quarter circular coils of radii r and R with common centre C and it carrying current (I).

The permeability of free space is μ0. The magnetic field at C is –

Choices

Choice (4) Response

a.

out of the page

b.

into the page

c.

out of the page

d.

into the page

f Page
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