Physics
Below is an incomplete table showing the arrangement of electromagnetic spectrum in the increasing order of their wavelength. Complete the table.
| Gamma ray | X – ray | U V rays | Visible rays | Infrared | A | Radio waves |
|---|
(a) Identify the radiation A.
(b) Name the radiation used to detect fracture in bones.
(c) Name one property common to both A and Radio waves.
Spectrum
4 Likes
Answer
| Gamma ray | X – ray | U V rays | Visible rays | Infrared | Micro Waves | Radio waves |
|---|
(a) Radiation A : Micro Wave
(b) X – rays are used to detect fracture in bones.
(c) Micro waves and radio waves are part of electromagnetic waves.
Answered By
3 Likes
Related Questions
Copy and complete the nuclear reaction by filling in the blanks.
The image of a candle flame placed at a distance of 36 cm from a spherical lens, is formed on a screen placed at a distance of 72 cm from the lens. Calculate the focal length of the lens and its power.
(a) Why do we use red colour as a danger signal on the top of a skyscraper?
(b) The diagram below shows the path of a blue ray through the prism :

- Calculate the critical angle of the material of the prism for blue colour.
- What is the measure of the angle of this prism (A)?
- Which colour should replace the blue ray, for the ray to undergo Total Internal Reflection?
(a) Refractive index of glass with respect to water is . Find the refractive index of water with respect to glass.
(b) Name the principle used to find the value in part (a).
(c) If we change the temperature of water,then will the ratio remain the same? Write yes or no.