PHYSICS MULTIPLE CHOICE QUESTIONS SET 33

PHYSICS   

MULTIPLE CHOICE QUESTIONS SET 33

1. Fathom is the unit of
A.  Frequency                    
B.  Depth                 
C.  Distance                     
D.  Sound
Answer: B Depth
 
2. The velocity of light was first measured by
A.  Newton                     
B.  Einstein                        
C.  Galileo                        
D.  Romer
Answer: D Romer
 
3. The rainbow appears due to
A.  Scattering                
B.  Refraction             
C.  Reflection      
D.  Both reflection and refraction
Answer: D Both reflection and refraction
 
4. Entropy is the measurement of
A.  Molecular configuration          
B.  Disorder parameter           
C.  State of matter   
D.  None of these
Answer: B Disorder parameter
 
5. Which of the following is the best conductor of heat
A.  Leather             
B.  Mercury               
C.  Benzene                 
D.  Water
Answer: B Mercury
 
6. Space Applications Centre is located in
A.  Bangalore               
B.  Ahmedabad             
C.  Tirupati                  
D.  Nagpur
Answer: B  Ahmedabad
 
7. What is the number of basic unit in the International System of Units?
A.  4                
B.  5                      
C.  6                 
D.  7           
Answer: D (7)
 
8. Which one among the following would expand the most on being heated?
A.  Glass               
B.  Air                
C.  Water                
D.  Alcohol
Answer: B Air
 
9. The wavelength of X-rays is of the order of
A. 1 cm             
B. 1 Angstrom                  
C. 1 m                
D. 10 micron
Answer: B (1 Angstrom)
 
10. The distance travelled by light in one year in vacuum is _______
A. light year          
B. astronomic unit        
C. velocity of light    
D. none
Answer: A Light year