ans
Asked by | 2nd Jan, 2013, 11:46: AM
Expert Answer:
The thrid pin in a 3 pin plug longer than the other two pins.It is made longer so that it gets connected to the earth terminal earlier than the live and neutral pins. This ensures the safety of the user.
Factors that affect the rate of emission of elctrons in a photoelectic cell
1.Work function of the material that is used as cathode.
2.Intensity of light
3. area of cross-section
difference between a beta particle and an electron:
Beta particle are high-speed electron or positron, usually emitted by an atomic nucleus undergoing radioactive decay, where as eletrons are stationary
this is the only difference between electron and beta particle
Beta particle are high-speed electron or positron, usually emitted by an atomic nucleus undergoing radioactive decay, where as eletrons are stationary
this is the only difference between electron and beta particle
Answered by | 2nd Jan, 2013, 12:45: PM
Related Videos
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change