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Why do water droplets always take a round shape when dropped onto plane surfaces?

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Important Questions on Physics

EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics

Which among the following is the correct statement?
A. When an object is thrown upwards, then in any case whether going upwards or coming downwards its speed will remain the same. 
B. The weight of any object cannot be zero. 
 

EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
If the velocity of a body is doubled its momentum _____.
EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
A force may change ___ of an object. 
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
If two forces 10N and 5N are applied on an object in the same direction, then what will be the total force applied on the object? 
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
What is the rate of doing work?
EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
Odometer is used to measure _______:
EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
A body of mass 8 kg is moving with a velocity of 4 m/s, find the momentum.
EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
When a car starts suddenly from rest, the people are sitting inside the car more backward. This event is an example of:
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
After the explosion of a shell, many pieces fly off in different directions. In such a case, what is conserved? 
EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
Which of the following is the kinetic energy? 
a. bullet from the gun.
b. a railway engine at a fast speed.
c. the motion of an ordinary pendulum. 
 
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
How much force will be used to displace an object of 60kg to a distance of 4m? 
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
The angle between displacement and force applied when no work is done is:
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
_____ is caused due to irregularities between two surfaces.
EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
For an object, potential energy at a height is known as _____.
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
______ is caused due to irregularities between two surfaces:
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
If a girl weighing 40N climbs up a rope with the force of 160W for 20seconds, then what height will she climb? 
MEDIUM
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
As long as an unbalanced force is applied to a body, its continues to change continuously:

 

EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics

What is the energy possessed by a body due to its motion is called?

EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics
A body rolling down on a hill has _____:
EASY
Reasoning and General Awareness>General Knowledge and Current Affairs>Physics>Mechanics

A particle in the medium completes 40 vibrations in 2.5 s. The frequency of the wave is ____: