KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics: Questions 47 - 49 of 268

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Question number: 47

» Kinematics » Position-Time Graphs

Appeared in Year: 2011

MCQ▾

Question

A particle moves in a plane along an elliptic path given by Equation At point (0, b), the x – component of velocity is u. The y – component of acceleration at this point is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 48

» Ray Optics » Snell's Law

Appeared in Year: 2011

MCQ▾

Question

A material is embedded between two glass plates. Refractive index n of the material varies with thickness as shown below. The maximum incident angle (in degrees) on the material for which beam will pass through the material is –

Graph of refractive index verses thickness

Graph of Refractive Index Verses Thickness

Figure shows refractive index n of material varies with thickness x.

Choices

Choice (4) Response

a.

60.0

b.

53.1

c.

43.5

d.

32.3

Question number: 49

» Wave Optics » Young's Double Slit Experiment

Appeared in Year: 2012

MCQ▾

Question

In a Young’s double slit experiment the intensity of light at each slit is Ι0. Interference pattern is observed along a direction parallel to the line S1 S2 on screen S.

Basic set up of Young’s double slit experiment

Basic Set Up of Young’S Double Slit Experiment

In figure a basis set up of Young’s double slit experiment is shown, in which two slits S1 and S2 in front of S

The minimum, maximum, and the intensity averaged over the entire screen are respectively.

Choices

Choice (4) Response

a.

0, 4Ι0, 2Ι0

b.

0, 4Ι0, Ι0

c.

0, 2Ι0, Ι0

d.

IEquation

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