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Science Quiz 19

Welcome to your Science Quiz 19

1. 
Which one among the following has the highest energy? [2009]

2. 
Assertion (A): In the visible spectrum of light, red light is more energetic than green light. [2008] Reason (R): The wavelength of red light is more than that of green light.

Choose the correct option.

3. 
Assertion (A): Radio waves bend in a magnetic field. [2008] Reason (R): Radio waves are electromagnetic in nature. Choose the correct option.

4. 
Who among the following scientists shared the Nobel Prize in Physics with his son? [2008]

5. 
Consider the following statement: [2008]

  1. A widely used musical scale called diatonic scale has seven frequencies. 
  2. The frequency of the note S is 256 Hz and that of N is 512 Hz. 

Which of the statement given above is/are correct?

6. 
Which one of the following laser types is used in a laser printer? [2008]

7. 
Who among the following discovered heavy water? [2008]

8. 
Consider the following statements: [2007]

  • If magenta and yellow coloured circles intersect, the intersected area will have red colour. 
  • If cyan and magenta coloured circles intersect, the intersected area will have blue colour. 
  • Which of the statements given above is/are correct?

9. 
Four wires of same material and of dimensions as under are stretched by a load of same magnitude separately. Which one of them will be elongated maximum? [2007]

10. 
Assertion (A): A jet aircraft moving at Mach number equal to 1, travels faster at an altitude of 15 km than while moving at Mach number equal to 1 at sea level. [2007] Reason (R): The velocity of sound depends on the temperature of the surrounding medium.

Choose the correct option.

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