a man sell a watch at a loss of 15% but if he had charged rupees 200 more he would have made a profit of 5% what is the cost price of the watch?​

Contrast the force of gravity between these pairs of objects a 1 kg mass and a 2 kg mass that are 1 m apart and two 2 kg masses that are 1 m apart

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

The energy produced as a result of this flow of electrons from atom to atom is called