Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
MODERN PUBLICATION-UNIT TEST -07-EXERCISE
- What is the de-Broglie wavelength of an electron with kinetic energy o...
Text Solution
|
- The photon of frequency v has a momntum associated with it .If c is th...
Text Solution
|
- The time taken by a photoelectron to come out after the photon strikes...
Text Solution
|
- Work function of a metl surface is 4.2 eV. The maximum wavelength whic...
Text Solution
|
- Sodium and copper have work functions 2.3 eV and 4.5 eV, respectively....
Text Solution
|
- A photocell is illuminated by a small bright source placed 1 m away .w...
Text Solution
|
- According to Einstein's photoelectric equation, the graph between kine...
Text Solution
|
- The surface of a metal is illuminted with the light of 400 nm.the kine...
Text Solution
|
- The threshold freuency for a metallic surface corresponds to an energy...
Text Solution
|
- This question has statement - 1 and statement - 2 of the four choice g...
Text Solution
|
- Two identical photocathodes receive the light of frequencies f1 and f2...
Text Solution
|
- The anode vollage of a photocell is kept fixed . The wavelength lambda...
Text Solution
|
- The de-Broglie wavelength of a tennis ball of mass 60 g moving wiht a ...
Text Solution
|
- If the kinetic energy of a free electron doubles,its de-Broglie wavele...
Text Solution
|
- A radiation of energy E falls normally on a perfecly reflecting surfac...
Text Solution
|
- Direction:Answer the MCQ no.15 to 17 on the basis of the folowing para...
Text Solution
|
- Wave property of electron implies that they will show diffraction effe...
Text Solution
|
- Wave property of electron implies that they will show diffraction effe...
Text Solution
|
- Wavelength of the radiation of freuquency 100 Hz is :
Text Solution
|
- Planck's constant has the dimetnsion of
Text Solution
|
- The value of Planck's constant is
Text Solution
|