English
Karnataka Board PUCPUC Science Class 11

Can X-rays Be Polarised? - Physics

Advertisements
Advertisements

Question

Can X-rays be polarised?

Short Note

Solution

Only transverse waves can be polarised. Since an X-ray is a transverse wave, it can be polarised.

shaalaa.com
  Is there an error in this question or solution?
Chapter 22: X-rays - Short Answers [Page 393]

APPEARS IN

HC Verma Concepts of Physics Vol. 2 [English] Class 11 and 12
Chapter 22 X-rays
Short Answers | Q 4 | Page 393

RELATED QUESTIONS

What is the range of the wavelength of the following electromagnetic waves?

(a) Visible. 


What is the range of the wavelength of the following electromagnetic waves?

(a) Micro waves .


State the approximate range of wavelength associated with visible light.


Name the radiations of wavelength just longer than 8 × 10-7m.


Give one use of gamma rays.


What are ultraviolet radiations?


Which part of electromagnetic spectrum is used in radar systems?


In a Coolidge tube, electrons strike the target and stop inside it. Does the target get more and more negatively charged as time passes?


One of the following wavelengths is absent and the rest are present in the X-rays coming from a Coolidge tube. Which one is the absent wavelength?


Visible light passing through a circular hole forms a diffraction disc of radius 0.1 mm on a screen. If an X-ray is passed through the same setup, the radius of the diffraction disc will be


Mark the correct options.
(a) An atom with a vacancy has smaller energy that a neutral atom.
(b) K X-ray is emitted when a hole makes a jump from the K shell to some other shell.
(c) The wavelength of K X-ray is smaller than the wavelength of L X-ray of the same material.
(d) The wavelength of Kα X-ray is smaller than the wavelength of Kβ X-ray of the same material.


The Kβ X-ray of argon has a wavelength of 0.36 nm. The minimum energy needed to ionize an argon atom is 16 eV. Find the energy needed to knock out an electron from the K shell of an argon atom.


The Kα X-rays of aluminium (Z = 13) and zinc (Z = 30) have wavelengths 887 pm and 146 pm respectively. Use Moseley's  law √v = a(− b) to find the wavelengths of the Kα X-ray of iron (Z = 26).

(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)


A free atom of iron emits Kα X-rays of energy 6.4 keV. Calculate the recoil kinetic energy of the atom. Mass of an iron atom = 9.3 × 10−26 kg.

(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)


What is the wavelength of the wave whose frequency is 1012 Hz? Name the electromagnetic wave.


Answer briefly.

Does an ordinary electric lamp emit EM waves?


Answer briefly.

Why high-frequency carrier waves are used for the transmission of audio signals?


A car is moving towards a high cliff. The car driver sounds a horn of frequency f. The reflected sound heard by the driver has a frequency 2f. If v be the velocity of sound, then the velocity of the car, in the same velocity units, will be:


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 UV rays Visible rays Infrared A Radio waves
  1. Identify the radiation A.
  2. Name the radiation used to detect fracture in bones.
  3. Name one property common to both A and Radio waves.

What is the wavelength range of electromagnetic radiation used in radio broadcast?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×