The function of collimeter in spectrometer is________________?

Related Mcqs:

1. A mass spectrograph (spectrometer) sorts out____________?

   A. Molecules
   B. Ions
   C. Elements
   D. Isotopes

2. Unit of power of a lens is________________?

   A. meter
   B. watt
   C. diopter
   D. horsepower

3. The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is________________?

   A. 30°
   B. 60°
   C. 90°
   D. 120°

4. The charge on alpha particles is________________?

   A. Plus one
   B. Plus two
   C. Minus two
   D. Minus one

5. Velocity of fluid increases where the pressure is________________?

   A. Low
   B. High
   C. Constant
   D. Changes continuously

6. The waveform of S.H.M. is________________?

   A. Standing wave
   B. Sine wave
   C. Square wave
   D. None

7. An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

   A. greater than one meter
   B. less than one meter
   C. one meter
   D. a foolish question

8. A photon is________________?

   A. A unit of energy
   B. A positively charged particle
   C. A quantum of electromagnetic radiation
   D. A unit of wavelength

9. In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is________________?

   A. Equal to D.C. value
   B. More than D.C. value
   C. Less than D.C. value
   D. Zero

10. The work done in the isochoric process is________________?

    A. constant
    B. variable
    C. zero
    D. depends on situation