A. continuous spectra for atoms
B. discrete spectra for atoms
C. either continuous nor discrete
D. no spectrum
Related Mcqs:
- Rutherford in his atomic model could not explain behavior of ___________ ?
A. Electrons
B. Protons
C. Neutrons
D. NeutrinoSubmitted by: Rashid Mehmood
- In hydrogen spectrum which one of the following series lies in the ultraviolet region ?
A. Balmer series
B. Pfund series
C. Bracket series
D. Lymann series - Which one of the following is massless?
A. Proton
B. Electron
C. Neutron
D. Photon - In the following figure, the terminal potential is ___________________ ?
A. zero
B. 2V
C. 12V
D. 36V - Which of the following is not a correct representation method for prefixes______________?
A. 1mm
B. 10km
C. 1000um
D. Both A and B - Which of the following properties of molecules of a gas is same for all gases at particular temperature ?
A. momentum
B. mass
C. velocity
D. kinetic energy - Which of the following waves have smallest velocity in vacuum?
A. Ultraviolet
B. Sound
C. Infra-Red
D. MicroSubmitted by: Malik Asghar Hussain
- Which one of the following has the highest value of specific heat?
A. Water
B. Alcohol
C. Methane
D. KeroseneSubmitted by: Naveed Tahir
- Which of the following are not deflected by electric and magnetic fields ?
A. Alpha rays
B. Beta rays
C. Gamma rays
D. None of theseSubmitted by: Aamir Balouch
- Which of the following is a good moderator?
A. Helium
B. Cadmium
C. Graphite
D. Ordinary WaterSubmitted by: Rizwan Ayub Saadi
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