Which of the following will be a better shield against gamma rays ?
A. Ordinary water B. Heavy water C. Lead D. Aluminum
Physics MCQs with Answers
The maximum safe limit dose for persons working in a nuclear power station is ________________?
A. 1 rem per week B. 5 rem per week C. 4 rem per week D. 3 rem per week
Radiations are used for the treatment of skin of a patient is_______________?
A. Alpha rays B. Gamma rays C. Beta rays D. X-rays
Which branch of science plays an important role in the development of technology and engineering ?
A. Chemistry B. Physics C. Geology D. Biology
Which one is not a branch of physical sciences ?
A. Chemistry B. Astronomy C. Geology D. Biology
How many types of units are in SI ?
A. 1 B. 2 C. 3 D. 4
In scientific notation, numbers are expressed in________________?
A. Power of ten B. Powers of two C. Reciprocal D. Decimal
1024 can be written in scientific notation as______________?
A. 1.024×103 B. 2 Raised to power 10 C. 0.000976 D. 1/0.00097
Prefix deca represents_______________?
A. 10 Raised to power 1 B. 10 Raised to power 2 C. 10 Raised to power 3 D. 10 Raised to power -1