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]
- A widely used musical scale called diatonic scale has seven frequencies.Â
- The frequency of the note S is 256 Hz and that of N is 512 Hz.Â
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.Â
- If cyan and magenta coloured circles intersect, the intersected area will have blue colour.Â
- 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.
