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MDCAT Physics Chapter 12 Atomic spectra MCQ's Test
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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 12 Atomic spectra MCQ's Test
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Question # 1
Choose incorrect about properties of photon
Question # 2
Continuous spectrum of X-rays id due to an effect known as
Question # 3
Ultraviolet radiation of 6.2 eV falls on an aluminium surface having work function โ
= ๐. ๐ ๐๐ฝ.The kinetic energy of the fastest electron emitted is:
Question # 4
electrons from the surface of a metal when:
Question # 5
The ratio of the longest and shortest wavelength of the Lyman series is approximately:
Question # 6
The shortest wavelength of X-rays emitted from an X-rays tube depends on the:
Question # 7
What is the momentum of a photon of light of wavelength 500 nm in kgm/s:
Question # 8
A proton, accelerated through a p.d V has a certain de Broglie wavelength. In order to have the same de Broglie wavelength, an ๐ โparticles must be accelerated through a potential difference:
Question # 9
Intensity of light from a point source at the edge of unit sphere will be:
Question # 10
The Balmer series is found in the spectrum of:
Question # 11
Which one is the correct express of de-Broglie equation for the length of atoms of mass m at temp? T(k=Boltzmannโs constant):
Question # 12
The minimum energy required to remove an electron is called:
Question # 13
The maximum energy of the electrons released in a photo cell is independent of:
Question # 14
In photo electric cell, the photo electric current
Question # 15
In photoelectric effect experiment, stopping potential depend upon
Question # 16
de-Broglie wavelength associated with an electron moving at a speed of 1x106 ms-1 is
Question # 17
According to Bohrโs theory, a line in the Ballmer series arises when the electron jumps from any of the higher orbits to the orbit with quantum number:
Question # 18
Maximum speed of electrons in X-rays tube which is producing X-rays photons of frequency f is
Question # 19
What will be the number of photons emitted per second by 25 W source of monochromatic light of wavelength 600 nm:
Question # 20
For X-rays which of the following is not correct:
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Biology Chapter 1 - Answers Mode
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
