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Competitive exam important physics questions

Competitive exam important physics questions

A. Force                  B. Pressure                        
C. Velocity              D. Speed             
Answer. A
2. Which Instrument is used to measure depth of ocean?
A. Endoscope         B. Ammeter                       
C. Fathometer         D. Anemometer              
Ans. C
3. AC Voltage in our household circuit ____
A. 135V                       B. 220V                                 
C. 230V                       D. None of the above
Ans. C
4. Rate of change of distance is called?
A. Force                               B. Pressure                         
C. Velocity                           D. Speed
Ans. D
5. Which Instrument is used to measure the power of electric circuit?
A. Volt meter                     B. Barograph                      
C. Watt meter                    D. Wave meter
Ans. C
6. Rate of change of displacement is called?
A. Speed                              B. Work                                      
C. Force                               D. Velocity
Answer. D
7. Which Instrument is used to determine the intensity of colors?
A. Chronometer                  B. Cathetometer             
C. Colorimeter                     D. Commutator
Ans. C
8. The Electric circuit which changes its direction at regular intervals of time is called ___
A. Alternating Current   B. Direct Current              
C. Three phase current  D. All the above
Ans. A
9. What is the value of acceleration of a body moving with constant velocity?
A. One                                  B. Two                                  
C. Three                               D. Zero
Ans. D
10. The EMF of a dry cell is ___
A. Zero Volt                        B. one volt                          
C. 1.5 volt                           D. 2 Volt
11. _____ Instrument is used for measuring sound under water?
A. Hygrometer                  B. Hygroscope                   
C. Hypsometer                 D. Hydrophone
Ans. D
12. What is the unit for electric charge?
A. Ampere                          B. Coulomb                         
C. Newton                          D. Volt
Ans. B
13. What is the unit for Viscosity?
A.Coulomb                                                                                  B. newton second per square meter
C. watt per meter per degree Celsius                                     D. joule per kilogram per kelvin
Ans. B
14. What is the audible frequency range?
A. frequency less than 20 Hz
B. frequency between 20Hz to 20000Hz
C. frequency more than 20000Hz
D. frequency less than 20Hz
Ans. B

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