Least distance of distinct vision_____________?

Related Mcqs:

1. The least distance of distinct vision for a normal eye is_______________?

   A. 15 cm
   B. 25 cm
   C. 30 cm
   D. 40 cm

2. When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are________________?

   A. 5m/s, 1m/s
   B. 3m/s, 3m/s
   C. 6m/s, 1m/s
   D. 4m/s, 2m/s

3. The minimum distance between an object and its real image in a convex lens is_____________?

   A. 2 f
   B. 2.5 f
   C. 3f
   D. 4f

4. In optic fiber transmission the repeater are separated through a distance of __________ km in newer system?

   A. 300km
   B. 200km
   C. 100km
   D. 20km

5. The distance between any two consecutive crests or troughs is called____________________?

   A. frequency
   B. period
   C. Wave length
   D. phase difference

6. Minimum current required to produce a deflection of 1 mm on a scale at a distance of 1 meter is__________________?

   A. 0.1 A
   B. 1:00 AM
   C. current sensitivity
   D. 1 m A

7. Average distance covered by alpha particles in the air before its ionizing power ceases is called its_________________?

   A. Trajectory
   B. Range
   C. Firing level
   D. Limit

8. If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is______________?

   A. π /3 x r
   B. π/6 x r
   C. V/30 x r
   D. π / 180 x r

9. 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

10. The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?

    A. Ke2/rn
    B. Ke2/rn2
    C. ÀKe2/rn
    D. ÀKe2/rn2