General Science
| Description: General Science | |
| Number of Questions: 25 | |
| Created by: Amit Pandey | |
| Tags: General Knowledge Medical Entrance Physics Branches of Science GP Identities AP Sequence & Series Sequence and series |
The ratio of velocity of a body to the velocity of sound is _____.
Production of beats is a result of the phenomenon of _____.
A body moving in a medium with a speed greater than the speed of sound in the medium is said to be ________.
The unit of frequency is ___.
The approximate intensity level of sound (in decibel) which can cause damage to ear drum is _____.
The audible range for human ear is _____.
The frequency of (mechanical) longitudinal waves below the audible range is known as _____.
The velocity of sound _______.
Echo is heard due to ___.
Doppler's effect is associated with ________.
Bats can fly in the dark because of ______.
The speed of sound in air is ______.
One cannot hear sound on the moon because it has no _____.
The screen of a cinema hall is always white and rough because light rays of all colours falling on the screen suffer ____.
Bats can fly on the dark without hitting objects because ______.
What does loudness of sound depend upon?
In which of the following mediums sound travels at maximum speed?
Which of the following lenses remains in both ends of the telescope?
Dentists use _____.
When angle of incidence is equal to the critical angle, the angle of refraction is _____.
Formation of shadow proves that ____.
Looking glass or simple microscope forms ______.
A woman’s voice is shriller than a man’s voice due to _____.
Which of the following colours is different?
In the solar spectrum, presence of D-line of the Fraunhofer lines prove that ________.