Lecturer Physics(BS-17) | Education Department | PPSC Past Interview

Question:  introduce to yourself?

Answer: Sir basically right now I living in Islamabad and I did my master degree in comsat university and before that I did my graduation from international Islamic university, and my early education from Sialkot, and right now am teaching in private institute as  a physics lecturer.

Question: how long do teaching in private institute?

Answer: its been two years.

Question: why use choose master degree in physics ?

Answer: because sir I personally interested in physics because it’s give deeply knowledge from the world as compare to other sciences subjects.

Question: Why Islamabad unique cities as compare to others cities from our country?

Answer: Because it is capital of our country and it is only one city of our country that is planned city.

Question: which our legislative bodies located in Islamabad?

Answer: Parliament house, Supreme Court.

Question:  Which joint city of Islamabad?

Answer: Rawalpindi

Question: how many constitutions of our country?

Answer: Three,  1956,1962,1971.

Question: your strength in physics?

Answer: Nuclear Physics.

Question: Can we have change the Radio-Activity?

Answer: No

Question: What is half life?

Answer: The average time interval required for one-half of any quantity of identical radioactive atoms to undergo radioactive decay.

Question: What is the beta particle?

Answer:  it is a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during the process of beta decay.

Question: Speed of sound in air?

Answer: 343.2 meters per second.

Question: If sound travel air to water the speed increased or decreased?

Answer:  Slow down.

Question: if light enter air to water then speed of light increased or decreased?

Answer: Slow down.

Question : What is photoelectric?

Answer: The photoelectric effect is a phenomenon in which electrons are ejected from the surface of a metal when light is incident on it.

Question: What is the Doppler effect?

Answer: Doppler effect refers to the change in wave frequency during the relative motion between a wave source and its observer.

Question: What is the difference between the redshift, and blueshift?

Answer: When an object is moving away from us, the light from the object is known as redshift, and when an object is moving towards us, the light from the object is known as blueshift.

Question: What is the henry unit?

Answer: it is used for mutual induction.

Question: What is the x-rays?

Answer: x-rays are a form of electromagnetic radiation, similar to visible light. Unlike light, however, x-rays have higher energy and can pass through most objects, including the body.