| 1 |
A human eye can detect the electromagnetic radiations of the type: |
Infrared radiations
For- infrared radiations
X-rays radiations
Red radiations
|
| 2 |
A human eye can detect the electromagnetic radiations of the type: |
Infrared radiations
For- infrared radiations
X-rays radiations
Red radiations
|
| 3 |
The energy of photon of wavelength 620 nm is: |
0.5 eV
1.0 eV
1.5 eV
2.0 eV
|
| 4 |
The energy of photon of energy 1 eV is: |
1240 nm
1040 nm
1000 nm
620 nm
|
| 5 |
The energy of photon of wavelength 1240 nm is: |
0.5 eV
1.0 eV
1.5 eV
2.0 eV
|
| 6 |
Joule-second is the unit of: |
Energy
Heat
Planck’s constant
None of these
|
| 7 |
The dimensions of Planck’s constant “h” are same as that of: |
Momentum
Angular momentum
Work
Torque
|
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