The unit of radioactivity curie is equal to________________?

Related Mcqs:

1. The unit of radioactivity curie is equal to_________________?

   A. 3.74 x 109 disintegration per sec
   B. 3.70 x 1010 disintegration per sec
   C. 3.55 x 1010 disintegration per sec
   D. 3.60 x 1010 disintegration per sec

2. Radioactivity is a ______ (A) Spontaneous activity (B) Chemical property_____________?

   A. A & B
   B. B & C
   C. C & A
   D. A B & C

3. The curie temperature is that at which ____________________?

   A. Semi-conductor becomes conductors
   B. Ferromagnetic becomes paramagnetic
   C. Paramagnetic becomes diamagnetic
   D. Metals become super conductor

4. One light year is equal to________________?

   A. 9.5x1015m
   B. 9.5x1015sec
   C. 9.5x1015Km
   D. 9.5x1015cm

5. Total distance travelled by a bob of the simple pendulum in one vibration is equal to________________?

   A. Amplitude
   B. Square of the amplitude
   C. 2 x amplitude
   D. 4 x amplitude

6. 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°

7. Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?

   A. magnetic flux
   B. magnetic field intensity
   C. magnetic induction
   D. self inductance

8. The total energy of a body executing S.H.M is directly proportional to________________?

   A. The square root of amplitude
   B. The amplitude
   C. Reciprocal of amplitude
   D. Square of an amplitude

9. The working of transistor as amplifier is similar to________________?

   A. Step up transformer
   B. Step down transformer
   C. Three diodes in common
   D. Triode vacuum tube

10. The Fahrenheit and centigrade scales agree to________________?

    A. 40
    B. 15.5
    C. 542
    D. 273