Dual Nature of Radiation and Matter Test

Result

Dual Nature of Radiation and Matter Test - 55

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Weekly Quiz Competition

Question 1
4 / -1

In X-ray experiment K_α, K_β denotes

A
Characteristic

B
Continuous wavelength

C
α, β-emission respectively

D
None of the above
Question 2
4 / -1

The wavelength of K_α line in copper is 1.54 Å. The ionisation energy of K electron in copper in Joule is

A
11.2 × 10^–27

B
12.9 × 10^–16

C
1.7 × 10^–15

D
10 × 10^–16

Solution
Question 3
4 / -1

Absorption of X-ray is maximum in which of the following different sheets?

A
Copper

B
Gold

C
Beryllium

D
Lead
Question 4
4 / -1

The X-ray beam coming from an X-ray tube will be

A
Monochromatic

B
Having all wavelengths smaller than a certain maximum wavelength

C
Having all wavelengths larger than a certain minimum wavelength

D
Having all wavelengths lying between a minimum and a maximum wavelength
Question 5
4 / -1

The continuous X-rays spectrum produced by an X-ray machine at constant voltage has

A
A maximum wavelength

B
A minimum wavelength

C
A single wavelength

D
A minimum frequency
Question 6
4 / -1

If λ₁ and λ₂ are the wavelengths of characteristic X-rays and gamma rays respectively, then the relation between them is

A

B

C

D
Question 7
4 / -1

The wavelength λ of the K_α line of characteristic X-ray spectra varies with atomic number approximately

A

B

C

D

Solution
Question 8
4 / -1

An X-ray tube with a copper target emits K_α line of wavelength 1.50 Å. What should be the minimum voltage through which electrons are to be accelerated to produce this wavelength of X-rays
(h = 6.63 × 10^–34 J-s, c = 3 × 10⁸ m/s)

A
8280 V

B
828 V

C
82800 V

D
8.28 V

Solution
Question 9
4 / -1

Which of the following is accompanied by the characteristic X-ray emission?

A
α-particle emission

B
Electron emission

C
Positron emission

D
K-electron capture
Question 10
4 / -1

X-rays are known to be electromagnetic radiations. Therefore the X-ray photon has

A
Electric charge

B
Magnetic moment

C
Both electric charge and magnetic moment

D
Neither electric charge nor magnetic moment