200 সালে 10.5 গ্রাম ম্যাগনেসিয়াম ব্রোমাইড ধারণকারী জলীয় দ্রবণের হিমাঙ্ক গণনা করুন ...

Two slits are separated by 2.00 xx 10^(-5) m. They are illuminated by light of wavelength 5.60 xx 10^(-7) m. If the distance from the slits to the screen is 6.00 m, what is the separation between the central bright fringe and the third dark fringe?

A particle with a mass of 3.00 xx 10^(-20)kg is oscillating with simple harmonic motion with a period of 2.00 xx 10^(-5)s and a maximum speed of 1.00 xx 10^(3) m//s . Calculate (a) the angular frequency and (b) the maximum displacement of the particle.

A shopkeeper purchased 200 bulbs for Rs10 each.However 5 bulbs were fused and had to be thrown away.The remaining were sold at Rs 12 each.Find the gain or loss %.

An item costing Rs 200 is being sold at 10% loss. If the price is further redcuced by 5%, the selling price will be:

An item costing Rs. 200 is being sold at 10% loss. If the price is further reduces by 5%, the selling price will be :

The susceptibility of magnesium at 200K is 1.8 xx 10^(-5) . At what temperature will the susceptibility decreasey 6 xx 10^(6) ?