Physics
Compressions and Rarefactions are characteristic of

Both A & B
Longitudinal waves
Neither of A & B
Transverse waves

ANSWER DOWNLOAD EXAMIANS APP

Physics
The bats can fly in the dark because

They generate flashes of light
They can see the objects in darkness
They generate ultrasonic sound waves
They have weak legs and are likely to be attacked by predators

ANSWER DOWNLOAD EXAMIANS APP

Physics
A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?

The liquid surface falls down only at the center of the tank
The surface of the liquid remains horizontal
None
The liquid surface falls down on the direction of motion and rises up on the back side of the tank

ANSWER DOWNLOAD EXAMIANS APP