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In the communication process, who is responsible for the decoding of the message?

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Important Questions on Electromagnetic Waves

HARD

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Write a possible RNA strand that can be transcribed from the above DNA molecule formed.

EASY
Which of the following statements is correct?

a. rRNA is the most abundant RNA.
b. Ribosomes are composed of approximately 80% rRNA and 20% ribosomal proteins.
c. rRNA is a type of coding RNA.
HARD
Which one of the following is wrongly matched?
MEDIUM
Explain the mechanism of translation that occurs in the ribosomes in a prokaryote.
EASY
Long distance short- wave radio broadcasting uses
MEDIUM
Write polarity of template strand and coding strand. Write three regions of transcription unit of DNA.
EASY
Match List - I with List - II.
List-I List-II
(a) Source of microwave frequency (i) Radioactive decay of nucleus
(b) Source of infrared frequency (ii) Magnetron
(c) Source of Gamma Rays (iii) Inner shell electrons
(d) Source of X-rays (iv) Vibration of atoms and molecules
    (v) LASER
    (vi) RC circuit

Choose the correct answer from the options given below:

EASY
The source of electromagnetic wave can be a charge.
EASY
Out of the following options which one can be used to produce a propagating electromagnetic wave?
EASY

Can we produce a pure electric or magnetic wave in space? Why?

MEDIUM
Discuss the source of electromagnetic waves.
EASY

A non-monochromatic light is used in an experiment on photoelectric effect. The stopping potential

EASY
The source of electromagnetic waves can be a charge.
EASY
Suppose that the electric field part of an electro-magnetic wave in vacuum is E=3.1 cos[(1.8 y) +(5.4 ×108 t)] i^. What is the direction of propagation?