REFRACTION AND TIR
Quiz by GARIMA UPADHYAY
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- Q1
For a critical angle of 60 degrees and the refractive index of the first medium is 1.732, the refractive index of the second medium question
1
1.5
1.6
2
20s - Q2
The deviation produced by reflecting prism in the 2 cases are
90,90
90, 180
180.90
NONE OF THE ABOVE
10s - Q3
What does the slope of the graph between sin i vs sin r represent
total internal reflection
speed of denser medium
refraction
refractive index
10s - Q4
Which physical quantity doesn't change when light travels from one medium to another.
WAVELENGTH
INTENSITY
FREQUENCY
SPEED
10s - Q5
Light has the highest velocity in which medium?
flint glass n=1.70 barium glass n=1.60 crown glass n=1.523water n=1.33 diamond n=2.45
barium glass
WATER
flint glass
diamond
10s - Q6
A short pulse of white light is incident from air to a glass slab at normal incidence. After travelling through the slab, the first colour to emerge is
white
violet
red
blue
10s
