Air pressure can be measured by
A Viscometer
B Thermometer
C Barometer
D None
Si unit of pressure is
A Pascal
B KG
C Newton
D None
Comets are referred as
A Snow balls
B Dust balls
C Dusty snow balls
D None
Pinhole camera has
A No lens
B one lens
C Two lens
D None
Maximum light in moon in
A Half moon
B Full moon
C Waxing Moon
D None
Moon revolve around the
A Jupiter
B Earth
C Sun
D None
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