Which one is not a branch of physical sciences ?

A. Chemistry
B. Astronomy
C. Geology
D. Biology

The number of categories in which physical quantities are divided is_____________?

A. 1
B. 2
C. 3
D. 4

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

The error in measurement may occur due to_________________?

A. The inexperience of a person
B. The faulty apprentice
C. Inappropriate method
D. Due to all reasons in a, b and c

An alpha particle in a single encounter__________________?

A. Loses a small fraction of its energy
B. Losses most of its energy
C. Loses no energy at all
D. Loses all of its energy

Strontium-90 is used as __________________?

A. Α-particle source
B. Β-particle source
C. Γ-rays source
D. Neutron source

The penetration power of alpha particle as compared to beta particle is_______________?

A. 10 times more
B. 100 times more
C. 100 times less
D. 10 times less