Why is exposure to X-ray injurious to health but exposure to visible light is not, when both are electromagnetic waves?

Why are the waves associated with light called electromagnetic waves?

Why is using tobacco in any form injurious to, the health explain.

Give the range of wavelength of the electromagnetic waves visible to us.

Assertion: X-rays cannot be deflected by electric or magnetic fields . Reason: These are electromagnetic waves.

Why is periodic exposure of plants to low temperature beneficial?

Radio waves and visible light in vacuum have

Assertion :The spectral series 'Blamer' of the of the hydrogen atom lies in the visible region of the electromagnetic spetrum Reason :Wavelength of light in the visible region lies in the range of 400 nm to 700 nm

Why is low temperature helpful for the periodic exposure of plants?

When the dark period of short day plants is intrrupted by a brief exposure of light, then the plant

Assertion : X-rays are used to study the interior of objects . Reason : X-rays have very short wavelengths and possess electromagnetic character.