Science Physics MCQ-184

General Science-Physics Online Exam UPPSC,SSC,CivilsPrelims,JKPSC,NDA Exams



Which of the following electromagnetic waves has the shortest wavelength?

 
 
 
 

Which of the following has the highest frequency?

 
 
 
 

Which of the following has the longest wavelength?

 
 
 
 

Which of the following heavenly bodies do not belong to the solar system?

 
 
 
 

Which of the following illustrations is not based on the principle of pressure?

 
 
 
 

Which of the following is a semiconductor?

 
 
 
 

Which of the following is a good conductor of heat but bad conductor of electricity?

 
 
 
 

Which of the following is a non-magnetic substance?

 
 
 
 

A particle is projected with 200 m/s at an angle 600. At the highest point, it explodes into three particles of equal masses. One goes vertically upward with velocity 100 m/s, second particle goes vertically downward. Then what is the velocity of the third one?

 
 
 
 

If a body of mass 200 g falls from a height 200 m and its total potential energy is converted into kinetic energy at the point of contact of the body with earth surface, then what is the decrease in potential energy of the body at the contact? (Take g= 10ms-2)

 
 
 
 

Which of the following is a self adjusted force?

 
 
 
 

Which of the following is a unit of electric charge?

 
 
 
 

Which of the following is a vector?

 
 
 
 

Which of the following is incorrect regarding the first law of thermodynamics?

 
 
 
 

Which of the following is most unstable?

 
 
 
 

Which of the following is not a basic unit in S.I. units?

 
 
 
 

Which of the following is not a constellation?

 
 
 
 

Which of the following is not a primary colour?

 
 
 
 

Which of the following is not a property of light?

 
 
 
 

Which of the following is not an example of perfectly inelastic collision?

 
 
 
 

Which of the following is not the unit of time?

 
 
 
 

Which of the following is the largest when the height attained by the projectile is the greatest?

 
 
 
 

Which of the following is the least accurately recorded observation?

 
 
 
 

Which of the following materials cannot serve as a dielectric in a condenser?

 
 
 
 

Which of the following metal is used in aircraft?