Primary cosmic rays are composed largely of very fast__________?

Related Mcqs:

1. 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

2. X-rays were discovered by __________?

   A. Wilhelm Conrad Roentgen
   B. Thomson
   C. Ernest Rutherford
   D. Bacquerel

   Submitted by: Rubina Suleman

3. Who discovered the Gamma Rays?

   A. Alfred Marshall
   B. Paul Villard
   C. Bohar
   D. Jabar bin Hayan

   Submitted by: Rubina Suleman

4. Which of the following Rays are more Penetrating?

   A. Beta rays
   B. Alpha rays
   C. Gamma rays
   D. X-rays

   Submitted by: Farjan Ahmed Soomro

5. Which rays are trapped in our galaxy by magnetic waves?

   A. Alpha rays
   B. Gamma rays
   C. Cosmic rays
   D. None of these

   Submitted by: Malik Asghar Hussain

6. Gamma rays have greatest similarity with?

   A. a-rays
   B. X-rays
   C. b-rays
   D. U.V.-rays

   Submitted by: Malik Asghar Hussain

7. The light rays used for eliminating bacteria?

   A. X-rays
   B. infrared rays
   C. microwave radiation
   D. ultra-violet radiation

   Submitted by: Malik Asghar Hussain

8. The study of X-rays and their medical applications is called _________ ?

   A. Radiology
   B. Raciology
   C. Rheumatology
   D. Rheology

   Submitted by: Rashid Mehmood

9. Which one of the following of glass can cut ultraviolet rays?

   A. Jena Glass
   B. Soda Glass
   C. Pyrex Glass
   D. Crookes Glass

   Submitted by: Parvez Malik

10. The natural fats and oils are composed of_________?

    A. Carbon, Hydrogen and Oxygen
    B. Carbon, Hydrogen and Nitrogen
    C. Carbon, Oxygen and Nitrogen
    D. Hydrogen, Oxygen and Nitrogen