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CBSE - XII Science - Physics - Dual Nature of Radiation and Matter
Hi tick the correct option in each case
Asked by jain.pradeep
26th May 2019,
6:42 PM
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.
i) the same intensity but different frequencies
ii) the same frequency but different intensities.
Asked by yeeshuraj3
18th January 2017,
11:22 AM
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
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
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
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
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
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
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
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
