किस के कारण लोग कभी-कभी आत्महत्या तक कर बैठते हैं।
The correct answer is B
The method of transfer of heat in liquid is
What phenomenon occurs when the angle of incidence exceeds the critical angle?
The apparatus used in the refrigeration is
A girl is standing 5 metres away from a plane mirror. How much distance should she move towards the mirror so that she will be 2 metres farther from her...
How does an earphone convert electrical signals into sound?
Bose Einstein condensate is a
Which device uses ultrasonic waves for getting images of internal organs of human body?
What is the SI unit of Luminous Intensity?
The waves which are less than 20Hz are known as
One Astronomical Unit (AU) is the average distance between-