A. By burning of gas
B. By cooling of the gas
C. By the bombardment of cathode rays on gas molecules
D. From anode like cathode rays produced from cathode
Advertisement
Related Mcqs:
- Positive rays give flash on________________?
- A. AgNO3 plate B. AgCl plate C. ZnO D. ZnS...
- Which one is not true about cathode rays ?
- A. 9.11×10-31 Kg B. Cast shadow C. Heat up the platinum foil D. Cannot ionize...
- Atom with higher atomic number produces X-rays of__________________?
- A. Shorter wavelength B. Larger wavelength C. X-ray not produced D. All are possible...
- Colour of fluorescene produced by cathode rays depends upon________________?
- A. Temperature B. Pressure C. Volume D. Composition of glass...
- Which of the following properties prove that cathode rays are material in nature_________________?
- A. they cast shadow B. they possess momentum C. they are negatively charged D. all of the above...
- The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?
- A. Dipole-dipole forces B. Ion dipole-dipole forces C. London dispersion forces D. Debye forces...
- Planks theory says energy is emitted__________________?
- A. In continuous manner B. Discontinuous manner C. Simultaneously D. In the form of heat...
- Electronic configuration of K is_________________?
- A. [Ar]4s2 B. [Ar]4s1 C. [Kr]5s1 D. [He]2s1...
- The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?
- A. 7 B. 10 C. 12 D. 16...
- Increase in atomic number is observed during_________________?
- A. Alpha emission B. Beta emission C. Both A & B D. Radioactivity...
Advertisement
