Assertion:- Work function of aluminum is \( 4.2 \mathrm{eV} \). (A) Both assertion and reason ar...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=jZNJ5R7eGKQ


Duration: 1:55
1 views
0

Assertion:- Work function of aluminum is \( 4.2 \mathrm{eV} \). (A) Both assertion and reason are correct statements, and reason is the correct If two photons each of energy \( 2.5 \mathrm{eV} \) strikes on a explanation of the assertion. piece of aluminum, the photo electric emission
(B) Both assertion and reason are correct statements, but reason is not the correct does not occur. explanation of the assertion.
Reason :- In photo electric effect a single photon
(C) Assertion is correct, but reason is wrong statement. interacts with a single electron and electron is
(D) Assertion is wrong, but reason is correct statement.
- emitted only if energy of each incident photon is greater then the work function.
(1) A
(2) B
(3) C
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-12-01Assertion :- In Davisson - Germer experiment wavelength associated with beam decreases with incr...
2022-12-01Assertion :- Photo cell is also called electric eye. Reason :- Photo cell can see the things pla...
2022-12-01Assertion : Consider the following nuclear (A) Both assertion and reason are correct statements,...
2022-12-01Assertion :- The mass of a body is changed when it emits or absorbs photons. \( P \) Reason :- P...
2022-12-01A photon and an electron both have energy \( 50 \mathrm{eV} \). \( P \) Assertion:- Both have di...
2022-12-01Assertion:- If the accelerating potential of a (A) Both assertion and reason are correct stateme...
2022-12-01Assertion:- Two photons having equal (A) Both assertion and reason are correct statements, and r...
2022-12-01Assertion:- An electron and a proton are (A) Both assertion and reason are correct statements, a...
2022-12-01The number of moles of acidified \( \mathrm{KMnO}_{4} \) required to convert sulphite ion into s...
2022-12-01Assertion :- Mass and energy are not conserved separately, but are conserved as a single entity ...
2022-12-01Assertion:- Work function of aluminum is \( 4.2 \mathrm{eV} \). (A) Both assertion and reason ar...
2022-12-01Assertion:- It is easy to carry out a fission reaction than fusion reaction in laboratory. \( P ...
2022-12-01Assertion :- In Photo Electric Effect experiment if \( \mathrm{hv}\phi \) then electron will not...
2022-12-01Assertion :- Principle of superposition is not valid in case of nuclear force. Reason :- Nuclea...
2022-12-01A. If both Assertion \& Reason are True \& the Reason is a correct explanation of the Assertion....
2022-12-01A. If both Assertion \& Reason are True \& the Reason is a correct explanation of the Assertion....
2022-12-01A. If both Assertion \& Reason are True \& the Reason is a correct \( \mathrm{P} \) explanation ...
2022-12-01Which of the following is true for the figure showing electric lines of force? ( \( E \) is elec...
2022-12-01Chromium forms most stable compound in the following oxidation state : (A) \( \mathrm{Cr} \) (I)...
2022-12-01Calculate the rate of flow of glycerine of density \( 1.25 \times 10^{3} \mathrm{~kg} / \mathrm{...
2022-12-01If stretch in a spring of force constant \( \mathrm{K} \) is doubled. Calculate (a) Ratio of fin...