Does gravity travels instantaneously? Or it travels equal to the speed of light.
Answer:
No clear answer now. If we believe in the Theory of relativity, Gravity (Gravitational Waves travel with the same
Free Help in Physics for Class 11 & 12
When several transparent materials are kept above each other, the resultant behaves like an opaque object.Why?What’s the Optics behind it?
When light falls on a object, three things happen –
- A part of the light is absorbed
- Another part is reflected ad
- The remaining part is transmitted.
A transparent medium transmits most of the light incident on it. However, it absorbs a small part as well as reflect a small part.