Rajesh tries to hold the glass with the oily hand , it slips from his hand . give reason for the same

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s.when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?