The dimension of power is_______________?
The dimension of power is_______________?
A. [ML2T-3]
B. [ML2T-2]
C. [ML2T3]
D. none of these
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During an encounter with an atom alpha particle knocks out ______________?
During an encounter with an atom alpha particle knocks out ______________?A. Protons
B. Electrons
C. Neutrons
D. NothingWhen X-rays are passed through successive aluminum sheets what happens to their thickness ?
When X-rays are passed through successive aluminum sheets what happens to their thickness ?A. increases
B. it decreases
C. it remains same
D. sometimes increases and sometimes decreasesAlpha particle ionizes an atom_________________?
Alpha particle ionizes an atom_________________?A. Through direct collision
B. Through electrostatic attraction
C. Through electrostatic repulsion
D. All of aboveThe angular speed of seconds hand of a watch in rads-1 is______________?
The angular speed of seconds hand of a watch in rads-1 is______________?A. π
B. π/2
C. π/30
D. π/180Rain drops fall from great height Which among the following statements is true regarding it?
Rain drops fall from great height Which among the following statements is true regarding it?A. they fall with that ultimate velocity, which are different for different droplets
B. they fall with same ultimate velocity
C. their velocity increases and they fall with different velocity on the earth
D. their velocity increases and they fall with same velocity on the earthThe speed of stationary waves in a stretched string are independent of___________________?
The speed of stationary waves in a stretched string are independent of___________________?A. Number of loops
B. Tension in the string
C. Point where string is plucked
D. both A and C