Which type of reaction produces the most harmful radiation?

Related Mcqs:

1. 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

2. Radiations are harmful as it:___________?

   A. Causes skin cancer
   B. Causes anemia
   C. Alters body tissue
   D. is unstable

   Submitted by: Fahad Mehsud

3. You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star.

   A. Wolf-Rayet star
   B. Red supergiant
   C. Stellar storm
   D. Pulsar

   Submitted by: Mansoor Ul Haque

4. Ozone layer prevents ______________ radiation from entering the atmosphere?

   A. Infra-red
   B. Ultraviolet
   C. X-rays
   D. Gamma rays
   E. None of these

5. 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

6. Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?

   A. radio, visible, infrared, ultraviolet, x-ray, gamma ray
   B. radio, infrared, visible, x-ray, gamma ray, ultraviolet
   C. visible, radio, infrared, ultraviolet, x-ray, gamma ray
   D. radio, infrared, visible, ultraviolet, x-ray, gamma ray

   Submitted by: Mansoor Ul Haque

7. In general, good absorbents of electromagnetic radiation are also good___________?

   A. Radiators 
   B. Conductors
   C. Insulators
   D. Semi Conductors

   Submitted by: Rida

8. In radiation, which of the following has strong photons?

   A. X-Rays
   B. Gamma
   C. Microwave
   D. Electromagnetic

   Submitted by: Warraich

9. 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

10. _________ 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