Intrinsic Semi-conductor is also known as
A. Impure-Conductor
B. Pure-Conductor
C. Simple Conductor
D. None of these
Intrinsic Semi-conductor is also known as Read More »
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A. Impure-Conductor
B. Pure-Conductor
C. Simple Conductor
D. None of these
Intrinsic Semi-conductor is also known as Read More »
A. evaporation
B. sublimation
C. hydrogenation
D. insolation
Evaporation from ice and snow is known as Read More »
A. Magnesium and Lead
B. Aluminium and Zinc
C. Aluminium and Magnesium
D. Aluminium and Mercury
Magnalium is an alloy of_______ Read More »
A. Amino acid
B. Iron
C. Vitamin E
D. Carotene
Spinach leaves are rich source of Read More »
A. Normal
B. Transform
C. Complex
D. Plain
There are three types of plate boundaries i.e Divergent, Convergent and Read More »
A. It contains 85- 90% of the atmosphere’s mass
B. It contains nearly all the water and oxygen of the atmosphere
C. It is the zone which exhibits changes in condition of weather
D. It is about 350 km thick
Which statement about the Troposphere is not true? Read More »
A. Moon is revolving round the earth
B. Earth is revolving round its axis
C. Earth is revolving round the sun
D. Planet Mars is attracting the sun
The season changes because the Read More »
A. 300 k Calories
B. 600 k Calories
C. 900 k Calories
D. 1200 k Calories
The amount of energy required by the children of age between one to three years is Read More »
A. depends on the pressure in the discharge tube
B. depends on the metal used as cathode
C. depends on the gas used in the discharge tube
D. does not depend on the nature of the gas used in the discharge tube
Color of the glow produced in the discharge tube Read More »
A. the magnitude of its average velocity over the interval
B. the distance covered during the time interval divided by the time interval
C. one-half its speed at the end of the interval
D. its acceleration multiplied by the time interval
The average speed of a moving object during a given interval of time is always Read More »