Sugar mills have exported 9.39 lakh tonnes of the

The sky appears blue because of –

Which of the following transitions in hydrogen atom will result in emission of radiation of longest wavelength?

Ohm’s law obeyed in -

A positively charged particle enters a uniform electric field directed downward. The force acting on the particle is:

What is the function of meristematic tissue in plants ?

Light from the Sun reaches us in nearly

A metal ball of volume 0.02 m³ is immersed fully in water. Find buoyant force. (Take g=10 m/s2, ρ = 1000 kg/m3)

The dimensional formula of angular momentum is:

During electrolysis the reaction at anode is?