MHT-CET SERIES Physics
Dual Nature Of Matter
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
8
2020 Chapter Questions 8 MCQs
01
PYQ 2020
medium
physics ID: mht-cet-
How much energy is imparted to an electron so that its de-Broglie wavelength reduces from m to m?
1
2
3
4
02
PYQ 2020
medium
physics ID: mht-cet-
A force of 26 N is acting on a body of mass 2 kg in the x-y plane. The force is directed at an angle with the x-axis. The component of acceleration along y-axis is
1
2
3
4
03
PYQ 2020
medium
physics ID: mht-cet-
Photons of wavelength are incident on the cathode of a photocell. Electrons are emitted from the cathode surface. The de-Broglie wavelength of the emitted electrons (work function is negligible) is
1
2
3
4
04
PYQ 2020
medium
physics ID: mht-cet-
If the potential difference used to accelerate electrons is doubled, by what factor does the de-Broglie wavelength associated with the electrons change?
1
Wavelength is decreased to times.
2
Wavelength is increased to times.
3
Wavelength is increased to times.
4
Wavelength is decreased to times.
05
PYQ 2020
medium
physics ID: mht-cet-
Threshold frequency for a metal is . The light of wavelength falls on the metal surface. Which one of the following statements is correct?
(Velocity of light, )
(Velocity of light, )
1
photoelectrons are emitted with velocity
2
photoelectrons come out with velocity
3
photoelectrons come out with zero velocity
4
photoelectrons will not be emitted
06
PYQ 2020
medium
physics ID: mht-cet-
The ratio of energies of photons produced due to transition of electron of hydrogen atom from its (i) second to first energy level and (ii) highest energy level to 2 level is respectively
1
4:1
2
2:1
3
2.5:1
4
3:1
07
PYQ 2020
medium
physics ID: mht-cet-
A light of wavelength and intensity falls on photosensitive material. If photoelectrons are emitted, each with kinetic energy , then
1
2
3
4
08
PYQ 2020
medium
physics ID: mht-cet-
A metal surface is irradiated by radiations whose wavelength is . If the work function of the metal surface is negligibly small, then the de-Broglie wavelength of emitted electrons will be
1
2
3
4
About Dual Nature Of Matter - MHT-CET
Dual Nature Of Matter is a vital chapter for MHT-CET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Dual Nature Of Matter PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Dual Nature Of Matter carry the most weight. Then, tackle the questions iteratively to solidify your understanding.