Structure Of Atom

Question 1

The Electrode which is connected to the -ve terminal of the Battery is called

Answer 1

Cathode

Question 2

Which compound is used for coating CRT?

Answer 2

ZnS (Zinc Sulphide)

Question 3

Which factors are responsible for taking out electrons from an atom or metal Electrode and Moving it to the +ve side?

Answer 3

Electric Field and High Potential(V)

Question 4

K.E gained by the particle is ?

Answer 4

q * V Here, q is the charge of the particle and V is the potential applied.

Question 5

1 eV equals how many joules?

Answer 5

1.6*10 to power -19 Joules.

Question 6

If 1 V potential is applied in 1 e- Then the K.E. Gained is ……..

Answer 6

1 eV

Question 7

If 10 V Potential is required to convert Na atom to Na+ then 10 V is called ………..and 10 eV is called ………..

Answer 7

10 V is called Ionization Potential and 10eV is called Ionization energy.

Question 8

Kinetic Energy gained by the particle can be also called

Answer 8

Ionization energy.

Question 9

Cathode rays are basically …… and proved as particle with the help of ………..

Answer 9

They are basically electron … with the help of Rotating disk.

Question 10

As gases are bad conductor of electricity. They conductivity can be increased by

Answer 10

By decreasing the pressure and increasing the potential difference.

Question 11

Specific Charge of Cathode Rays.

Answer 11

Charge of C.R/ Mass of C.R

Question 12

The Charges which are present on oil droplets are integral multiple of

Answer 12

A particular Value(1.5 * 10-19) Integral Multiple( 4e 2e 5e 1e)

Question 13

Anode rays are basically

Answer 13

Cations H2+ O2+

Question 14

Charge / Mass ratio or e/m ratio of anode rays depends upon

Answer 14

Nature of the Gas Filled. And if you take different gases the color will also change.