Refractive Index of a Glass Slab using a Travelling Microscope NEET Questions

Physics - Experimental Skills

Refractive Index of a Glass Slab using a Travelling Microscope MCQ Questions


1.
The refractive index of a material is defined as the ratio of:
A.
Speed of light in vacuum to speed of light in the material
B.
Speed of light in the material to speed of light in vacuum
C.
Frequency of light in vacuum to frequency in the material
D.
Wavelength in vacuum to wavelength in the material
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ANSWER :
A. Speed of light in vacuum to speed of light in the material
2.
A travelling microscope is primarily used for:
A.
Measuring small distances
B.
Measuring time intervals
C.
Measuring mass
D.
Measuring pressure
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ANSWER :
A. Measuring small distances
3.
The refractive index of a glass slab can be determined using:
A.
Ohm’s law
B.
Snell’s law
C.
Newton’s law
D.
Hooke’s law
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ANSWER :
B. Snell’s law
4.
The travelling microscope consists of:
A.
Only horizontal movement
B.
Only vertical movement
C.
Both horizontal and vertical movements
D.
No movement at all
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ANSWER :
C. Both horizontal and vertical movements
5.
The least count of a typical travelling microscope is:
A.
0.01 cm
B.
0.1 cm
C.
0.001 cm
D.
1 cm
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ANSWER :
A. 0.01 cm
6.
When light enters a glass slab from air, it:
A.
Bends towards the normal
B.
Bends away from the normal
C.
Travels in a straight line
D.
Gets completely reflected
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ANSWER :
A. Bends towards the normal