Which of the following is not one of the fundamental quantities in Physics?
A. Length
B. Time
C. Weight
D. Mass
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Which unit is equal to unit of energy-
A. Power
B. Density
C. Work
D. Force
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In the following which pair has not same unit?
A. Speed and Velocity
B. Work and Energy
C. Distance and Displacement
D. Force and Pressure
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2 kWh = ?
A. 7.2 × 108 J
B. 7.2 × 106 J
C. 7.2 × 105 J
D. 72 × 106 J
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In terms of SI prefixes 10-15 is called
A. Atto
B. Zepto
C. Yocto
D. Femto
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What does a 'seismograph' record?
A. Heart-beats
B. Atmospheric pressure
C. Earthquake
D. None of the above
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The SI unit of radioactivity is . . . . . . . .
A. Ampere
B. Becquerel
C. Decibel
D. Cobolt
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Newton is the unit to measure . . . . . . . .
A. Power
B. Force
C. Pressure
D. Resistance
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1 KW = ?
A. 1000Js-1
B. 100Js-1
C. 10Js-1
D. 10000Js-1
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Odometer in vehicle measures-
A. Fuel
B. Distance
C. Smell
D. Speed
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What is measured in hertz?
A. Frequency
B. Energy
C. Heat
D. Quality
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A vector quantity has both magnitude and direction, whereas a scalar quantity has only magnitude and no direction. Which of the following is a vector quantity?
A. Work
B. Speed
C. Displacement
D. Energy
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The SI unit of electrical resistance of conductor is
A. Faraday
B. Volts
C. Ampere
D. Ohm-metre
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The apparatus used for detecting lie is known as
A. Polygraph
B. Pyrometer
C. Gyroscope
D. Kymograph
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Which instrument is used for measuring density of milk?
A. Hydrometer
B. Lactometer
C. Barometer
D. Thermometer
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One micron represents a length of
A. 10-6 cm
B. 10-4 cm
C. 1 mm
D. 1 m
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The international unit of Speed is-
A. m/s
B. km/h
C. m/minute
D. km/s
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How can the height of a person who is six feet tall, be expressed (approximately) in nanometre?
A. 183 × 106 nm
B. 234 × 106 nm
C. 183 × 107 nm
D. 181 × 107 nm
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The physical unit is
A. the standard amount of a physical quantity chosen to measure the physical quantity of the same kind
B. the angle subtended at the centre of a circle by an arc equal in length to the radius of the circle
C. the amount of substance
D. None of the above
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Which among the following devices is used to measure the atmospheric pressure?
A. Tetrameter
B. Odometer
C. Thermometer
D. Barometer
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