A. infra red
B. visible
C. x-ray
D. ultra violet
E. gamma rays
Submitted by: Dr.Tassawer-e-Meran
Related Mcqs:
- The earth absorb radiation in Visible range but emit radiation at the same rate in the:
A. Ultra voilet
B. Gamma rays
C. Infrared
D. All of theseSubmitted by: Said wali shah
- When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?
A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm - Wavelength of electron was verified by_________________?
A. Moseley
B. Davisson and Germer
C. Einstein
D. Roentgen - The energy of one mole of photons of radiation, whose frequency is 4×10 14 Hz, is ___________?
A. 159.6kJ
B. 135.5 KJ
C. 110.5 KJ
D. 80.4 KJSubmitted by: Muhammad Ali Kunbhar
- When the radiation of light is passed through a prism, it undergoes __________?
A. reflection
B. interference
C. diffraction
D. refractionSubmitted by: Shumail Farhan
- When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?
A. Bromine
B. Chlorine
C. Fluorine
D. Iodine - Which of the following can be used in laptops ?
A. Silver oxide battery
B. Fuel cell
C. Nickel cadmium cell
D. Lead accumulator - Which of following is not a base______________?
A. KOH
B. NH3
C. PH3
D. BF3 - Which of the following factors help to measure quallity of water ?
A. DO
B. BOD
C. COD
D. all of the above - The maximum mass is present in 1dm3 for the following gas at STP.
A. C3H8
B. CO2
C. CO
D. CS2Submitted by: Aamir khan Hullio