Q. The device to measure electric current is -
1) voltmeter
2) ammeter
3) voltameter
4) Potentiometer
Q. What is measured in Hertz?
1) Frequency
2) Energy
3) Heat
4) Quality
Q. Sound wave in air is -
1) transverse
2) longitudinal
3) electromagnetic
4) polarized
Q. Which one of the following quantities does not have unit?
1) Stress
2) Force
3) Strain
4) Pressure
Q. Which one of the following is a scalar quantity?
1) Force
2) Pressure
3) Velocity
4) Acceleration
Q. The sunlight from the sun to the earth reaches in -
1) 5 minutes
2) 6 minutes
3) 8 minutes
4) 10 minutes
Q. The unit of pressure is -
1) kg/ cm2
2) kg/ cm
3) kg/ mm
4) None of the above/ More than one of the above
Q. An ammeter has ........... resistance, so that it passes maximum current through it.
1) Infinite
2) Very less
3) Very high
4) High
Q. Which of the following is equal to Hertz?
1) s-1
2) m s-2
3) s
4) m / s
Q. Sodium metal is stored in -
1) Kerosene
2) Ether
3) Water
4) Acetone
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