Refractive index of diamonds is 2.42. What do we mean from this? A.) Speed of light in diamond is raised by a factor 2.42 relative to that in vacuum B.) Speed of light in diamond is lower by a factor 2.42 relative to that in vacuum C.) Speed of light in air equals to speed of light in diamond D.) None of the above

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?