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The first person to use crystal for radio wave detection was:

J.C. Bose

H.C. Verma

S.N. Bose

C.V. Raman

✅ Correct Option: 1

Jagadish Chandra Bose (J.C. Bose) was the first scientist to use a crystal (semiconductor) for radio wave detection during his microwave experiments in 1894-1895. He is also known for inventing the crescograph and pioneering plant physiology research.

2022: 23 Aug Shift 1

PROM stands for

2022: 17 Aug Shift 1

In the formula "W = Fs cos $\theta$ ", the angle between force and displacement ( $\theta$ ) is equal to 90 $\degree$ , the net work done will be:

2023: 21 May Shift 1

Major Constituent of natural gas is.

2025: 29 May Shift 1

Aryabhatta, India's first satellite, was launched from which of the following launching stations?

2025: 19 May Shift 1

Arrange the following elements in order of their number of neutrons, beginning from less to more:

(A) Nitrogen

(B) Silicon

(D) Fluorine

Choose the correct answer from the options given below:

2025: 29 May Shift 2

The Unit of Work done is Joule. 1 Joule = ___________?

The first person to use crystal for radio wave detection was:

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