A.75
B. 79
C. 89
D. 99
Physics mcqs
Sun is divided into ______ main layers.
A. 2
B. 3
C. 4
D. 5
Which of the following Rays are more Penetrating?
A. Beta rays
B. Alpha rays
C. Gamma rays
D. X-rays
Which element is used as moderator in nuclear reactor?
A. Light water
B. Dense water
C. Freshwater
D. Heavy water
1 BTU (British thermal unit) to how many Joules?
A. 955 joules
B. 990 joules
C. 1055 joules
D. 1211 joules
Candela is the unit of_________________?
A. Luminous intensity
B. Heat producing value
C. Thermodynamic temperature
D. Radioactive decay