Dual Nature of Matter and Radiation-De-Broglie Relation (NEET Physics): Questions 13 - 18 of 18

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 13

» Dual Nature of Matter and Radiation » De-Broglie Relation

MCQ▾

Question

Velocity of a proton is Equation . Associated de-Broglie wavelength is (Take h = 6.626 × 10 -34 J-s)

Choices

Choice (4) Response

a.

2.64 × 10 -14 m

b.

2.64 × 10 -14 A

c.

2.64 × 10 -24 cm

d.

2.64 × 10 -24 mm

Question number: 14

» Dual Nature of Matter and Radiation » De-Broglie Relation

MCQ▾

Question

The de-Broglie wavelength of an electron is 0.2 Å. Calculate the potential difference (approximate) required to retard it to rest-

Choices

Choice (4) Response

a.

3.76 × 10 3 V

b.

3.76 × l0 -3 V

c.

376.5 V

d.

3.76 × 10 3 eV

Question number: 15

» Dual Nature of Matter and Radiation » De-Broglie Relation

MCQ▾

Question

Slope of Equation curve is-

(Where, V 0 = Stopping potential and ν = frequency)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 16

» Dual Nature of Matter and Radiation » De-Broglie Relation

MCQ▾

Question

The ratio of wavelength of deuteron & proton accelerated by an equal potential is,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 17

» Dual Nature of Matter and Radiation » De-Broglie Relation

Appeared in Year: 2016

MCQ▾

Question

Electrons of mass Equation with De – Broglie wavelength Equation fall on the target in a X – ray tube. The cutoff wavelength Equation of the emitted X – ray is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 18

» Dual Nature of Matter and Radiation » De-Broglie Relation

Appeared in Year: 2017

MCQ▾

Question

The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature Equation (Kelvin) and mass Equation , is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In