The unit of acceleration is
The unit of acceleration is
Akgm
Bm/sec
Cm/$sec^2$
Drad/$sec^2$
Monday, December 23, 2019
If the gravitational acceleration at any place is doubled, then the weight of a body will be
If the gravitational acceleration at any place is doubled, then the weight of a body will be
AG/2
BG
C?2.g
D2g
A machine having an efficiency less than 50% is known as
A machine having an efficiency less than 50% is known as
Areversible machine
Bnon-reversible machine
Cneither (1) or (2)
Dideal machine
The point, though which the whole weight of the body acts irrespective of its position is known as
The point, though which the whole weight of the body acts irrespective of its position is known as
Amoment of inertia
Bcentre of gravity
Ccentre of percussion
DNone of these
Radiation can be detected by
Radiation can be detected by
Aammeter
Bvoltmeter
Celectrometer
Doscillator
The energy is emitted from a body in tiny packets and not as a continuous stream. This statement is based on:
The energy is emitted from a body in tiny packets and not as a continuous stream. This statement is based on:
APlank's quantum
BBohr's theory
CBalmer theory
DPhotoelectric effect
Electrical resistance and heating elements are made from:
Electrical resistance and heating elements are made from:
Abrass
Bcopper
Cnichorme
Dgun metal
