The wave phenomenon demonstrated in the diagram above is?...
The wave phenomenon demonstrated in the diagram above is?
reflection
deflection
diffraction
refraction
Correct answer is C
Diffraction is spreading of wave after passing through a slit
The vacuum in a thermos flask helps to reduce heat transfer by? ...
If the refractive index of a medium in air is 2.0, what is the critical angle for this medium? ...
Which of the following are True for α-decay. i. mass number, decrease by four. ii. Atom...
Which of the following is NOT a force? ...
Which of the following devices is used for storing electric charges? ...
The absolute zero temperature is defined as the temperature at which ...
A body of volume 0.046m3 is immersed in a liquid of density 980kgm-3 with 34 of its vol...