10th Class Physics MCQS
What does the term e mail stand for:
Extra mail
Emergency mail
External mail
Electronic mail
The angle of which prism deviates the incident ray is called:
angle of reflection
angle of deviation
angle of incident
angle of minimum deviation
____________ is always virtual in case of convex mirror.
all of these
object
p
image
Which of the following quantities is not change during refraction of light?
its frequency
Its wavelength
Its direction
Its speed
In totally reflecting prism one angle is of 90o, and other two angles are of:
40o,40o
30o,30o
45o,90o
45o,45o
The critical angle for glass to:
42o
48o
24o
50o
Mathematical relationship between critical angle “C” and refractive index “n” is:
N = 1 / cos c
N = 1 / sin c
N = C
N = 1 / sin2 c
Image formed on a camera is:
virtual, upright and diminshed
real, inverted and magnified
real,invertred, and diminished
virtual, upright and magnified
The distance of spherical mirror is called:
Sphere
a,b
Aperture
Curvature
To see stomach problems we use:
Bronchoscope
Gastroscope
All of these
Cystoscope
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