The coefficient of thermal conductivity of a metallic rod does not depend upon: (The question has multiple correct option) A) The length of the rod. B) The cross-sectional area of the rod. C) Temperature difference between the ends of the rod. D) The nature of the material.

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?