Electromagnetic waves travel in free space with the ... - Solved MCQs & Answer

701PhysicsMedium

Electromagnetic waves travel in free space with the speed of___________________?

AMore than sound waves

BCathode rays

Cλ-rays

DPositive rays

Correct answer

C. λ-rays

Explanation

λ-rays is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Photoelectric effect was given by ____________________?

The phase angle between the voltage and the current in an AC circuit consisting of a resistance is______________?

As the temperature of black body is raised the wavelength corresponding to maximum intensity________________?

CFC is used in _________________?

The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?

Gravitational P.E of a body has____________________?