The potential inside a point in a solid sphere will be: A) Same as that seen at the surface B) Will be less than what was seen at the surface C) Will be more than what was seen at the surface D) Will be equal to the potential at the centre

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?