## Question

### Solution

Correct option is

Heavy metal having a high melting point

Heavy metal having a high melting point

#### SIMILAR QUESTIONS

Q1

The maximum frequency of X-rays produced in an X-ray tube is v when the operating voltage is V. What is the maximum frequency of the X-rays when the operating voltage is ?

Q2

X-rays are incident normally on a crystal of lattice constant 0.6 nm. The first order reflection on diffraction from the crystal occurs at an angle of 30o. What is the wavelength of X-rays used?

Q3

The wavelength of  line from an element of atomic number 41 is . Then the wavelength of  line of an element of atomic number 21 is

Q4

An X-rays photon of wavelength  and frequency v collides with an electron and bounces off. If  are respectively the wavelength and frequency of the scattered photon, then

Q5

The binding energy of the innermost electron in tungsten is 40 keV. To produce characteristics X-rays using a tungsten target in an X-ray tube, the accelerating voltage should be greater than

Q6

X-rays of wavelength  are incident normally on a crystal and the second order reflection on diffraction from the crystal observed at an angle of 45o. The lattice constant of the crystal is

Q7

The frequency of  line of a source of atomic number Z is proportional to

Q8

A direct X-ray photograph of the intestines is not generally taken by the radiologists because :

Q9

X-rays which can penetrate through longer distance in substances are called.

Q10

The maximum frequency of the X-rays produced in an X-ray tube