The minimum value of angle of deviation is called:
Minimum angle
Incident angle
Angle of minimum deviation
None of these
an electrolytic capacitor is used to store large amounts of charge at:
low voltage
high voltage
neutral
positive
Instrument used for detecting and testing the nature of charge on a body is called:
Incubator
Spectroscope
voltmeter
electroscope
Totally reflecting prism is used in:
Periscope
Binoculars
Periscope and binocular
Telescope
Image formed on a camera is:
Real, inverted, and diminished
Virtual, upright and diminished
Virtual, upright and magnified
Real, inverted and magnified
If the mass of bob of a simple pendulum is doubled, its time period:
Is doubled
Becomes four times
Remains same
Becomes half
Which is the unit of energy:
KWh
Electron volt
Joule
All of above
The unit of intensity of sound:
Wm-1
Wm-2
Wm
Wm2
The refracted light striking to the side of prism is called:
Refracted ray
Incident ray
Reflected ray
Emergent ray
