Question

The equation   is

(a) b -emission

(b) a -emission

(c) ecapture

(d) Fission

Answer

(a) b -emission

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The magnetic induction in air at a point 1cm away from a long wire that carries a current of 1A, will be

(a)

(b) 2

(c) 3

(d) 4

In the connections shown in the adjoining figure, the equivalent capacity between A  and  B will be

(a) 10.8 μF

(b) 69 μF

(c) 15 μF

(d) 10 μF

Symbol of Inductance in electric circuit is-

A coil has 1,000 turns and 500 cm2 as its area. The plane of the coil is placed at right angles to a magnetic induction field of 2. The coil is rotated through 180° in 0.2 seconds. The average e.m.f. induced in the coil, in milli-volts, is

(a) 5 

(b) 10

(c) 15       

(d) 20

Three capacitors 2, 3 and 6 mF are joined in series with each other. What is the minimum effective capacitance

(a) F                

(b) 1 mF

(c) 2 mF   

(d) 3 mF

At a place, the magnitudes of the horizontal component and total intensity of the magnetic field of the earth are 0.3 and 0.6 Oersted respectively. The value of the angle of dip at this place will be

(a) 60°

(b) 45°

(c) 30°

(d) 0°

_______ exists in the region surrounding a magnet, in which force of the magnet can be detected.
In the following circuit, the values of current flowing in the circuit at f = 0 and $\text{f}=\infty$ will respectively be.
Image
A point source of light is placed at a distance, of 2f from a converging lens of focal length f. The intensity on the other side of the lens is maximum at a distance:
  1. f
  2. between f and 2
  3. 2f
  4. more than 2f.

The dimensions of magnetic flux are

(a)  

(b)  

(c)  

(d)