Electromagnetic Waves-Electromagnetic Waves & Characteristics (BITSAT Physics): Questions 1 - 3 of 3

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Question number: 1

» Electromagnetic Waves » Electromagnetic Waves & Characteristics

MCQ▾

Question

Lightning was discovered by –

Choices

Choice (4) Response

a.

Ohm

b.

Franklin

c.

Thomson

d.

Faraday

Question number: 2

» Electromagnetic Waves » Electromagnetic Waves & Characteristics

MCQ▾

Question

If luminous-efficiency of a lamp is Equation and its luminous-intensity is 42 candela then, power of the lamp is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Electromagnetic Waves » Electromagnetic Waves & Characteristics

MCQ▾

Question

Which of the following waves have the maximum wavelength?

Choices

Choice (4) Response

a.

Radio waves

b.

X-rays

c.

IR rays

d.

UV rays

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