Physics Classes In Gk 2

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# Physics Classes In Gk 2 - PowerPoint PPT Presentation

NEET PHYSICS\n For the frequency of light below a certain value, the photoelectric effect does not take place, irrespective of intensity \nMaximum kinetic energy of ejected electrons is independent of intensity of radiation \nThere is no time lag between the incidence of radiation and emission of electrons  \nRevise All IIT/NEET/Cbse Class 12 Physics In 30 Days\nNEET/IIT/11/12/IB/SAT 2/CBSE\nDELHI’S BEST PHYSICS CLASSES\nKUMAR PHYSICS CLASSES\nE 281 BASEMENT M BLOCK MAIN ROAD GREATER KAILASH 2 NEW DELHI\n 9958461445,01141032244\nwww.kumarphysicsclasses.com\nIIT PHYSICS

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NEET MCQ’S FROM KUMAR PHYSICS CLASSES

E 281 BASEMENT M BLOCK MAIN ROAD DELHI 110048

01141032244,9958461445

Que 1)photoelectric work function

(1) Is different for different materials (2) Is same for all metals

(4) Depends upon intensity of the incident light 3) Depends upon frequency of the

incident light

Work function is the property of material.3.

Que 2) The phenomenon of photoelectric effect was first explained by

(1) Hallwach (2) Einstein (3) Planck (4) Bohr

Einstein won the Nobel Prize for predicting photoelectric effect by proposing the dual

nature of light

Que 3)wave nature of light cannot explain photoelectric effect because in photoelectric

effect, it is seen that

.

(1)  For the frequency of light below a certain value, the photoelectric effect does

not take place, irrespective of intensity

. (2)  Maximum kinetic energy of ejected electrons is independent of intensity of

.

(3)  There is no time lag between the incidence of radiation and emission of

electrons

.

(4)  All of these

(Laws of photo electric emission)

NEET MCQ’S FROM KUMAR PHYSICS CLASSES

E 281 BASEMENT M BLOCK MAIN ROAD DELHI 110048

01141032244,9958461445

NEET MCQ’S FROM KUMAR PHYSICS CLASSES

E 281 BASEMENT M BLOCK MAIN ROAD DELHI 110048

01141032244,9958461445

NEET PHYSICS

For the frequency of light below a certain value, the

photoelectric effect does not take place,

irrespective of intensity

Maximum kinetic energy of ejected electrons is

There is no time lag between the incidence of

Revise All IIT/NEET/Cbse Class 12 Physics In 30 Days

NEET/IIT/11/12/IB/SAT 2/CBSE

DELHI’S BEST PHYSICS CLASSES

KUMAR PHYSICS CLASSES

E 281 BASEMENT M BLOCK MAIN ROAD GREATER KAILASH 2 NEW DELHI

9958461445,01141032244

www.kumarphysicsclasses.com

NEET MCQ’S FROM KUMAR PHYSICS CLASSES

E 281 BASEMENT M BLOCK MAIN ROAD DELHI 110048

01141032244,9958461445

IIT PHYSICS