Angular momentum is defined as

A. Moment of inertia * velocity
B. Mass * angular velocity
C. Mass * velocity
D. Moment of inertia * angular velocity


Ans: D. Moment of inertia * angular velocity

Physics & Space Science

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The process of boiling water tends to

A) warm the water. B) cool the water. C) both of these D) none of the above

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Suppose that an atom has exactly two energy levels separated by an energy difference ?E. When such atoms are in contact with a reservoir at a temperature T1, the ratio of the number of atoms in the higher level to the number in the lower level is . If we increase the temperature to T2, the numerical value of this ratio

A. increases. B. decreases. C. remains the same.

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Distinguish between metamorphic foliation and sedimentary layering

What will be an ideal response?

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Hydrogen lines are strongest in class A stars

Indicate whether the statement is true or false

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