വായുവിൽ പ്രകാശത്തിന്റെ വേഗത എത്ര ?
A2.25 X 10^8 m/s
B1.25 x 10^8 m/s
C2 x 10^8 m/s
D3 X 10^8 m/s
A2.25 X 10^8 m/s
B1.25 x 10^8 m/s
C2 x 10^8 m/s
D3 X 10^8 m/s
Related Questions:
Assertion and Reason related to magnetic lines of force are given below.
Assertion: Magnetic lines of force do not intersect each other.
Reason :At the point of intersection, the magnetic field will have two directions.
Choose the correct option: