Nuclear radiation is emitted by those elements whose:

A. molecules are stable
B. molecules are unstable
C. nuclei are stable
D. nuclei are unstable

Submitted by: Mansoor Ul Haque

Related Mcqs:

In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?
A. Chemical Reaction
B. Nuclear reaction
C. Fission nuclear reaction
D. Fusion nuclear reaction
E. None of these
The brightest colour emitted by the sun is:
A. Violet
B. Yellow-Green
C. Green- Blue
D. Red
Submitted by: Sami Khan
Which of the following is a positively charged particle emitted by a radioactive element?
A. Beta Rays
B. Alpha Rays
C. Gamma Rays
D. None of these
Submitted by: AKBAR ALI
A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?
A. Current
B. Voltage
C. Nuclear Radiation
D. power
E. None of these
Ozone layer prevents ______________ radiation from entering the atmosphere?
A. Infra-red
B. Ultraviolet
C. X-rays
D. Gamma rays
E. None of these
Which type of reaction produces the most harmful radiation?
A. Fusion reaction
B. Fission reaction
C. Chemical reaction
D. Photo-Chemical reaction
Submitted by: Malik Asghar Hussain
In general, good absorbents of electromagnetic radiation are also good___________?
A. Radiators
B. Conductors
C. Insulators
D. Semi Conductors
Submitted by: Rida
In radiation, which of the following has strong photons?
A. X-Rays
B. Gamma
C. Microwave
D. Electromagnetic
Submitted by: Warraich
Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography ?
A. CT-Scan
B. Ultrasound
C. MRI
D. X-Ray
Submitted by: Abid Hussain
_________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Ionosphere
Submitted by: Muhammad Abdullah