Answer Posted / anup kumar ray

Yes. The exothermic reaction is useful in lasing process.
As a laser is emitted by the process of stimulated
emmision . so to stimulate the electrons we nedd some
external stimulating energy . the heat given up by the
exothermic reaction can be utilised as the stimulating
agency. as a result the exothermic reaction is useful in
lasing action.

i need the working and properties of the sextent and all the objects and much more about sextent..

2283

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Giraffe in Arabic means "the highest of all." The height of a giraffe is an average of 5 m, its mass is about 800 kg and hooves is an area of approximately 625 cm2. Using a straw from a material nedeformabil a giraffe trying to drink water from a lake, not to condescend. What is the ratio of the minimum pressure to be applied giraffe, mouth, at the end paiului to drink water and pressure of giraffe on the ground. The density of water. g = 10 m/s2

2121

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Explain what is the direction of null vector?

1043

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What are the weights in pounds of liquid gallons?

1073

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What is frequency of sound in air?

1105

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What is the difficulty in making fusion based nuclear reactors?

968

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Which animals communicate on under water sounds?

951

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What is the force needed to accelerate a mass of one kilogram one meter per second per second?

953

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What is sound velocity?

1119

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What are the essential characteristics of a wave?

967

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What secondary color of light is produced by mixing the primary colors of red and blue?

1078

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When a radar gun says the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity?

974

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Explain the law of machines?

995

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If a plane is in the air and there is a fly flying inside the plane does the plane get heavier when the fly lands?

1029

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HOW MANY UNITS ARE CONSUMED DURING 1 HR BY 1.5 TON A/C

2166

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