Optical instruments- Old is Gold
1. Why has nature provided us with two eyes? Explain.
Polarization | Old is Gold | Class XII
Polarization
Short answers question
1. Can sounds waves be polarized? Explain.
2. Is polarization possible
Second Law of Thermodynamics- Old is Gold
State second law of thermodynamics.
Can the thermal efficiency of an engine ever be 100%? Give reason.
State second
Circular motion – Old is Gold
When a bus takes a turn, passengers are thrown away from the centre of the curved path. Why?
A solid tied
Gravitation-Old is Gold
What will happen to the value of ?g? if the earth stops rotating?
Obtain an expression for gravitational potential energy and establish its dimension.