What is the opaque?
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Physicists most commonly call a mass moving in a straight line path as having:
Name the element which has the simplest absorption spectrum?
Why does water boil at 100oC ?
in one optical instrument, what is the effect of usingtwo converging lenses?
What is the Cement ?
If a number of planes are talking off form an aircraft carrier, what is the minimum interval required between the take-off of the successive planes ?
assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?
An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively
Explain the working of basic rubber ink filler
How can light be defined in simplest form?
Describe the Infra-red and Ultra-voilet rays?
Tell me why is n-type conductor is neutral?