3 years ago

How can the conductivity of a semiconductor be increased?

Physics

1 answer:

aalyn [17]3 years ago

5 0

Reduce the temperature

You might be interested in

A person on a merry-go-round makes a complete revolution in about 3.17 s.

GREYUIT [131]

Answer:

second one

Explanation:

HOPE THIS helps

8 0

3 years ago

In a particular experiment to study the photoelectric effect, the frequency of the incident light and the temperature of the met

qwelly [4]

Answer:

B. The number of electrons emitted from the metal per second increases.

Explanation:

Light consists of photons . Energy of each photon depends upon frequency of light . The increase in intensity increases the number of photons . It does not increase energy of photons .

So if a high intensity light falls on a photosensitive plate , each photon ejects one electron . So number of electrons increases if we increase intensity of photon. It does not increase kinetic energy of ejected electrons . Work function depends upon the nature of plate.

6 0

3 years ago

Using energy considerations and assuming negligible air resistance, show that a rock thrown from a bridge 20.0 m above water wit

madam [21]

Answer:

The initial energy and final energy are the same

= 307.52m

≅ 308m

Explanation:

see the attached file