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Home /Doubts and Solutions/CBSE/Class 12 Science/Physics/Dual Nature Of Radiation And Matter

Dual Nature Of Radiation And Matter Free Doubts and Solutions

CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

Hi tick the correct option in each case

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Asked by jain.pradeep 26th May 2019, 6:42 PM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

1. Draw the graphs showing the variation of photo-electric current with the change in anode potential of a photocell for the following conditions.
i) the same intensity but different frequencies
ii) the same frequency but different intensities. 

Asked by yeeshuraj3 18th January 2017, 11:22 AM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

For investigatory project, please give information about burglar alarm,materials required for it,construction and its working.

Asked by Benjamin 22nd October 2016, 4:46 PM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

why photoelectric effect cannot explain on basis of wave thory?
 

Asked by prdeep849 23rd January 2016, 7:04 PM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

This solution is wrong can I please get a correct one 4 solid spheres of mass m and radius r are placed on a circular disc of mass 2m and radius 2r. the system is rotated about an axis passing throughe the center of the ring and perpendicular to the plane what is the radius of gyration of the system.

Asked by Pallavi Chaturvedi 25th November 2014, 10:40 AM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

4 solid spheres  of mass m and radius r are placed on a circular disc of mass 2m and radius 2r.
the system is rotated about an axis passing throughe the center of the ring and perpendicular 
to the plane what is the radius of gyration of the system.

Asked by Pallavi Chaturvedi 18th November 2014, 12:01 AM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

A proton and an alpha particle, both initially at rest, are suitably accelerated so as to have thee same kinetic energy. What is the ratio of De-brogile wavelength?

Asked by kohadahasan 14th April 2014, 5:34 AM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

Actually sir , i want you to ask that is there any loss of energy when the electrons collides with each other in the metal after the incidence of light on the metal ??

Asked by Navdeep Bhardwaj 7th April 2014, 2:42 PM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

Actually sir , i want you to ask that is there any loss of energy when the electrons collides with each other in the metal after the incidence of light on the metal ??

Asked by Navdeep Bhardwaj 7th April 2014, 2:40 PM
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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter

A 1000w transmitter works at a frequency of 880 kHz.What is The no. of photons emitted per second

Asked by Tanya Sethi 2nd April 2014, 10:22 PM
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