Q. A device that stores electric charge is called a
(A) battery
(B) capacitor
(C) resistor
(D) generator
The answer is: (B) capacitor ☑
Q. The particle that act as a glue in holding the nucleus together is
(A) electron
(B) proton
(C) neutron
(D) positron
The answer is: (C) neutron ☑
Q. Subatomic particles (electron, proton. neutron) are made up of
(A) photons
(B) molecules
(C) elements
(D) quarks
The answer is: (D) quarks ☑
Q. 1 mile = _____ kilometer
(A) 1.209
(B) 1.409
(C) 1.609
(D) 1.809
The answer is: (C) 1.609 ☑
Q. Which from the following radiations possesses high ionizing power?
(A) Alpha rays
(B) Beta rays
(C) Gamma rays
(D) None of these
The answer is: (A) Alpha rays ☑