PHYSICS MULTIPLE CHOICE QUESTIONS SET 24

PHYSICS  

MULTIPLE CHOICE QUESTIONS SET 24

1. The power of a lens is measured in
A. joule                 
B. candela                      
C. decibel                      
D. dioptre
Answer: Option  d
 
2. The material which is used to make permanent magnets is
A. soft iron                  
B. steel                        
C. brass                    
D. bronze
Answer: Option  b
 
3. The speed of seconds pendulum is
A. 0.5 second                
B. 1.0 second                   
C. 2.0 seconds                
D. 1.0 minute
Answer: Option  c
 
4. Pipe instruments with out reeds is
A. flute                 
B. harmonium                 
C. nadaswaram                   
D. violin
Answer: Option  a
 
5. One horse power is equal to
A. 744 watts                  
B. 745 watts                    
C. 746 watts                  
D. 747 watts
Answer: Option  c
 
6. Doppler effect in sound produces apparent change in
A. amplitude                    
B. frequency                
C. wave length                
D. intenstity
Answer: Option  b
 
7. The liquid used in doctors thermometer is
A. alcohol                    
B. mercury                    
C. water                  
D. keresone
Answer: Option  b
 
8. Lightning conductor was first constructed by
A. Newton                
B. Edison                       
C. Volta                       
D. Franklin
Answer: Option  d
 
9. The solar system belongs the galaxy called
A. milky way               
B. andromeda nebula            
C. radio galaxy        
D. magallanic cloud
Answer: Option  a
 
10. Asia’s biggest astronomical telescope is at
A. Kavanur            
B. Kodaikanal               
C. Bangalore              
D. New Delhi
Answer: Option  a