Physics
If two mirrors are kept inclined at 60° to each other and a body is placed at the middle, then total number of images formed, is
12
Aug
If two mirrors are kept inclined at 60° to each other and a body is placed at the middle, then total number of images formed, is If two mirrors are kept inclined at 60° to each other and a body is placed at the middle is then total number of images formed August 12, 2020 [...]
A man is 6 ft tall. In the order to see his entire image, he requires a plane mirror of minimum length equal to
12
Aug
A man is 6 ft tall. In the order to see his entire image, he requires a plane mirror of minimum length equal to A man is 6 ft tall. In the order to see his entire image he requires a plane mirror of minimum length equal to August 12, 2020 Category: Chapter 32 - [...]
Ozone layer blocks the radiations of wave length
12
Aug
Ozone layer blocks the radiations of wave length Ozone layer blocks the radiations of wave length August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The frequency of γ – rays, X – rays and ultraviolet rays are a, b and c respectively. Then,
12
Aug
The frequency of γ – rays, X – rays and ultraviolet rays are a, b and c respectively. Then, b and c respectively. Then The frequency of γ - rays X - rays and ultraviolet rays are a August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - [...]
What is the cause of “Green house effect” ?
12
Aug
What is the cause of “Green house effect” ? What is the cause of "Green house effect" ? August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Which of the following rays are not electromagnetic waves ?
12
Aug
Which of the following rays are not electromagnetic waves ? Which of the following rays are not electromagnetic waves ? August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
If ε0 and μ0 are respectively the electric permittivity and the magnetic permeability of free space and ε and μ the corresponding quantities in a medium, the refractive index of the medium is
12
Aug
If ε0 and μ0 are respectively the electric permittivity and the magnetic permeability of free space and ε and μ the corresponding quantities in a medium, the refractive index of the medium is If ε0 and μ0 are respectively the electric permittivity and the magnetic permeability of free space and ε and μ the corresponding [...]
The electromagnetic radiations are caused by
12
Aug
The electromagnetic radiations are caused by The electromagnetic radiations are caused by August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
In a certain region of space electric field E and magnetic field B are perpendicular to each other and an electron enters region perpendicular to the direction of B and E both and moves undeflected, then velocity of electron is
12
Aug
In a certain region of space electric field E and magnetic field B are perpendicular to each other and an electron enters region perpendicular to the direction of B and E both and moves undeflected, then velocity of electron is In a certain region of space electric field E and magnetic field B are perpendicular [...]
The velocity of electromagnetic wave is along the direction of
12
Aug
The velocity of electromagnetic wave is along the direction of The velocity of electromagnetic wave is along the direction of August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,