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Mdcat-past-papers Quiz

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1501. Somatic effect causes:



1502. Each person experiences the background radiation dose in one year:



1503. The force responsible for binding the nucleus:



1504. Leptons are the group of particles which are:



1505. A meson consists of a:



1506. Proton is made up of ----- quarks:



1507. What is the value of up quark?



1508. Number of quarks in hydrogen atom are:



1509. Number of quarks are:



1510. If electron, proton, neutron, and alpha particle have same velocity, which of them has shortest wavelength?



1511. The process of ejection of loosely bound electrons from a certain photo sensitive surface by absorption of photon is called:



1512. In photoelectric effect experiment, the stopping potential is:



1513. The line spectrum of hydrogen atom contains the spectral lines in the region of:



1514. The speed of electron in the first Bohr orbit is:



1515. The process of ejection of loosely bound electrons from a certain photo sensitive surface by absorption of photon is called?



1516. In Compton effect, a photon of a certain wavelength collides with a stationary electron. The wavelength of the emitted photon is:



1517. The Balmer series of hydrogen is important because it:



1518. In Compton effect, the incident photon when compared to the scattered photon is of:



1519. Which of the following is the longest wavelength of radiation for the Paschen series?



1520. The kinetic energy of an electron in first Bohr radius of H-atom is: