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प्रश्न
Name the physical quantity measured in terms of horse power.
उत्तर
Horse power, or H.P., is defined as "the ability of an agent to work 746 joules per second." Power is a physical quantity.
Relation: 1 H.P. = 746 W = 0.746 kw
संबंधित प्रश्न
Fill in the blank
The energy possessed by a body due to its motion is called ______ energy.
Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
Explain the principle of generating electricity from hydro energy.
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
State the energy changes which take place when:
An air gun is loaded and then fired.
State the energy changes which take place when:
Burning of coal.
State the energy changes which take place when:
A battery lighting up a bulb.
Give one example when:
Light energy changes to chemical energy.
