Question Detail

Siphon will fail to work if

both its limbs are of unequal length
the temperature of the liquids in the two vessels are the same
the level of the liquid in the two vessels are at the same height
the densities of the liquid in the two vessels are equal

Answer: Option C

1. What is newton third law of motion ?

Every body maintains its initial state rest or motion unless no external force is applied.
The rate of change in momentum of a body is directly proportional to the applied force on the body and takes place in the direction of force.
To every action there is equal and opposite reaction.
None of above.

Answer: Option C

Explanation:

Newton First Law of Motion : Every body maintains its initial state rest or motion unless no external force is applied.

Newton Second Law of Motion : The rate of change in momentum of a body is directly proportional to the applied force on the body and takes place in the direction of force.

2. Energy posses by a body in motion is called

Kinetic Energy
Potential Energy
Both of Above
None of Above

Answer: Option A

3. Light year is a unit of

Time
Light
Distance
Intensity of light

Answer: Option C

4. The incident ray, reflected ray and normal to the reflecting surface at the incident point all never lie in same plane.

True
False

Answer: Option B

5. The absorption of ink by blotting paper involves

capillary action phenomenon
viscosity of ink
siphon action
diffusion of ink through the blotting

Answer: Option A