Question

Charge on α -particle is

(a)  

(b) 1.6  

(c) 3.2  

(d) 6.4  

Answer

(c) 3.2  

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 first spectral series was disscovered by:

In the Young's double slit experiment, the spacing between two slits is 0.1 mm. If the screen is kept at a distance of 1.0 m from the slits and the wavelength of light is 5000 Å, then the fringe width is

(a) 1.0 cm

(b) 1.5 cm

(c) 0.5 cm

(d) 2.0 cm

Which arrangement of four identical resistances should be used to draw maximum energy from a cell of voltage V

(a)

(b)

(c)

(d)

On giving $40 \mu C$ charge to a parallel plate capacitor of $10 \mu F$ capacitance, the value of its total energy in joules will be :
If two charges of 1 coulomb each are placed 1km apart in vacuum, the force between them will be:
Forbidden gap in a pure conductor is:

If the momentum of a photon is p, then its frequency is (Where m is the rest mass of the photon)

(a)        

(b)

(c)       

(d)

Assuming that the dimmest visible star to the naked eye has a magnitude of about 6. Brightness of planet Venus (magnitude = – 4) w.r.t. this star is

(a) 10,000 times brighter

(b) 2000 times brighter

(c) 15000 times brighter

(d) 4000 times brighter

A fish is a little away below the surface of a lake. If the critical angle is 49°, then the fish could see things above the water surface within an angular range of θ° where

(a) θ =  49°

(b) θ = 90°

(c) θ = 98°

(d) θ = 24

Two waves of same amplitude and same wavelength are superimposed in different phases. The amplitude of the resultant wave will be maximum when the phase difference between them is: