Options:
- A. ?L = ?L?T
- B. ?L/L?T
- C. L?T/?L
- D. ?L?T-?L
View Answer
A. ?L = ?L?T
Physics
The unit of coefficient of linear expansion or volume expansion is__________?
Options:
- A. K
- B. K-1
- C. K -2
- D. none
View Answer
B. K-1
linear expansion occurs in_________?
Options:
- A. solid
- B. liquid
- C. both
- D. none
View Answer
A. solid
When body is in motion, ____________ always changes?
Options:
- A. its velocity
- B. its acceleration
- C. its position vector
- D. its momentum
View Answer
C. its position vector
Which branch of science plays an important role in engineering?
Options:
- A. Biology
- B. Chemistry
- C. Physics
- D. All of these
View Answer
C. Physics
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?
Options:
- A. 10m/s
- B. 36m/s
- C. zero
- D. infinite
View Answer
C. zero
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is_________?
Options:
- A. biology
- B. physics
- C. information technology
- D. chemistry
View Answer
B. physics
Area under velocity time graph represent_____________________?
Options:
- A. force
- B. displacement
- C. distance
- D. acceleration
View Answer
B. displacement
The Branch of Physics deals with highly energetic ions is called__________?
Options:
- A. Elementary articles
- B. Article physics
- C. Ionic physics
- D. Plasma physics
View Answer
D. Plasma physics
Instantaneous and average velocities become equal when body___________________?
Options:
- A. has zero acceleration
- B. has uniform acceleration
- C. has variable acceleration
- D. moves in a circle
View Answer
A. has zero acceleration