A car is travelling with a speed of 36km/h. The driver applies the brakes and retards the car uniformly. The car stopped at 5 s. Find (i) The retardation of the car. (ii) Distance travelled before it is stopped after applying the brake.

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?