A man starts running from point P at 11: 00 a.m. with a speed of 10 km / hr. He runs for 2 hours and then takes a 1-hour rest. H continues till he is caught by another man who starts at 2: 00 p.m. from point P and runs non – stop at a speed of 15 km / hr towards the first man. At what time (in p.m.) will the first man be caught?

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?