General Physics Questions And Answers


Q1. 
How did de – Broglie modify Bohr’s postulate?

Ans.
de – Broglie suggested that electrons behaved like a wave


Q2. 
Which of the following can be chosen to analogously represent the behavior of a particle?

Ans.
String


Q3.
 Distance and wavelengths are proportional in a string when referring to the behavior of a particle.

Ans.
True


Q4. 
How did de – Broglie conclude the modification of Bohr’s II postulate?

Ans.
de – Broglie concluded that wavelengths of matter waves can be quantized


Q5. 
The neutron was discovered by whom?

Ans.
James Chadwick


Q6. 
A semiconductor is damaged by a strong current because of a lack of free electrons.

Ans.
False


Q7. 
At absolute zero, Si acts as which of the following?

Ans.
Insulator


Q8. 
At which temperature, a pure semiconductor behaves slightly as a conductor?

Ans.
High temperature


Q9. 
In a pure semiconductor crystal, if current flows due to breakage of crystal bonds, then what is the semiconductor called?

Ans.
Intrinsic semiconductor


Q10. 
On doping germanium metal, with a little amount of indium, what does one get?

Ans.
p-type semiconductor