| ⇦ | 
| ⇨ |
Sodium and copper have work function 2.3 eV and 4.5 eV respectively. The ratio of their threshold wavelengths is nearest to
Options
(a) 1 : 2
(b) 4 : 1
(c) 2 : 1
(d) 1 : 4
Correct Answer:
2 : 1
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A piece of iron is heated in a flame. It first comes dull red then becomes reddish
- The mean radius of the earth is R, its angular speed on its own axis is ?
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
- Figure below shows two paths that may be taken by a gas to go from a state A
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A piece of iron is heated in a flame. It first comes dull red then becomes reddish
- The mean radius of the earth is R, its angular speed on its own axis is ?
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
- Figure below shows two paths that may be taken by a gas to go from a state A
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply