In Young’s double slit experiment using sodium light (λ = 5898Å), 92 fringes are seen. If given colour (λ = 5461Å) is used, how many fringes will be seen?

A sample of a high polymer consist of 10% by weight of a macromolecule of molecular weight 10000 and 90% by weight of a macromolecule with molecular &weight 100000, then what will be it's weight average molecular mass?

The speed of sound in water is four times its speed in air. When a sound wave of frequency 'n' and wavelength 'λ' enters from air into water, then what will be its frequency and wavelength respectively?

What would be the total electric flux through the paraboloidal surface due to a constant electric field of magnitude Eo in the direction along the axis of the paraboloid?

How many units of electricity will be consumed if you use a 65 watt electric bulb for 7.3 hours everyday for 21 days?

Measure altitudes in aircraft's, which instrument is used?

You have a 80.5-mF capacitor initially charged to a potential difference of 12.9 V. You discharge the capacitor through a 3.59-? resistor. What is the time constant in seconds?

How much does a 0.32m long copper rod with a 7.7mm diameter stretch when one end is fixed and the other is pulled with a 1.6kN force?

Suppose 1.00kg of water at 100C is mixed with 1.00kg of water at 0C. What would be the total change in entropy of the mixture?

The drawing shows a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle (r = 8.30 m) as the carousel turns.