Physics
The angle in which a cricket ball should be hit to travel maximum horizontal distance is :

60° with horizontal
45° with horizontal
30° with horizontal
15° with horizontal

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Physics
Air moves from the region where the air ________

Humidity is high to the region where the humidity is low
Humidity is low to the region where the humidity is high
Pressure is high to the region where the pressure is low
Pressure is low to the region where the pressure is high

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Physics
Stationary wave is formed by

Two waves of the same speed superposing
Two waves of same frequency travelling in the opposite direction
A transverse wave superposing a longitudinal wave
Two waves of same frequency travelling in the same direction

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