PHYSICS MULTIPLE CHOICE QUESTIONS SET 16

PHYSICS 

MULTIPLE CHOICE QUESTIONS SET 16

1. The force of attraction between planets was correctly given by
A. Newton           
B. Galileo                
C. Ptolemy                   
D. Kepler
Answer: Option  d
 
2. A small drop of mercury is spherical due to
A. surface tension            
B. gravity                
C. elasticity                      
D. viscosity
Answer: Option  a
 
3.  The region converted by water is known as
A. ionosphere                
B. atmosphere                
C. hydrosphere             
D. none of these
Answer: Option  c
 
4. The temperature at which centigrade and Fahrenheit scales gives the same reading
A. 40° C                     
B. 40° K                           
C. -40° C                   
D. -40° K
Answer: Option  c
 
5. The molecular weight of water is
A. 12                     
B. 18                       
C. 19                   
D. 21
Answer: Option  b
 
6. Loudness of sound produced by a vibrating string is directly proportional to
A. square of the amplitude          
B. the amplitude        
C. vibrating length    
D. the frequency
Answer: Option  b
 
7. The instrument used to measure the radioactivity is
A. Radio compass              
B. Rador            
C. Geiger counter            
D. Radio micrometer
Answer: Option  c
 
8. The most basic of all test instrument is the
A. multimeter             
B. galvanometer             
C. ohm meter              
D. oscilloscope
Answer: Option  b
 
9. The latent heat of fusion of ice is
A. 69.7                    
B. 76.9                     
C. 79.7                   
D. 68.9
Answer: Option  c
 
10. The hydralic brakes used in automobiles is a direct application of
A. Pascal’s law                  
B. Archimede’s principle         
C. Toricellian law      
D. Bernoulli’s theorem
Answer: Option  a