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- 1. Multiple Choice
ELECTROMAGNETIC WAVES PASS THROUGH
VACCUM
VACUM
VOCCUM
VOCCOM
- 2. Multiple Choice
THE NUMBER OF WAVES THAT PASS THROUGH A GIVEN POINT IN ONE SECOND IS CALLED
FEQUENCY
FREQUENCY
WAVELENGTH
FRAQUENCY
- 3. Multiple Choice
THE DISTANCE TRAVELLED BY A WAVE IN ONE SECCONSECOND IS CALLED
VELOCITY
ATOMIC NUMBER
AMPLITUDE
WAVELENGTH
- 4. Fill in the Blank
THE HEIGHT OF CREST OR DEPTH OF WAVE IS CALLED
- 5. Multiple Choice
THE SMALL PORTION AROUND 1015 WHICH IS ORDINARY LIGHT IS CALLED
LIGHT
VISIBLE LIGHT
INVISIBLE LIGHT
INFRARED LIGHT
- 6. Multiple Choice
RADIO FREQUENCY AROUND 106 Hz USED FOR
RADAR
BROAD CASTING
VISIBLE LIGHT
FREQUFREQUENCY
- 7. Multiple Choice
ULTRA VIOLENT REGION AROUND 1016 IS A COMPONENT OF
MOON'S RADIATION
SUN'S RADIATION
BLACK BODY RADIATION
FREQUENCY
- 8. Multiple Choice
MICROWAVE AROUND 1010 Hz USED FOR
RADAR
SUN RADIATION
MOON RADIATION
BLACK BODY RADIATION
- 9. Fill in the Blank
THE DISTANCE BETWEEN TWO CONSECUTIVE CRESTS OR TROUGHS IS CALLED
- 10. Fill in the Blank
THE RECIPROCAL OF WAVELENGTH IS CALLED
- 11. Multiple Choice
THE COLOURED RADIATION WITH THE LOWEST ENERGY
RED
PALE ED
DARK RED
LIGHT RED
- 12. Multiple Choice
THE PHOTON X REGION IS MORE ENERGETIC THAN IN THE
VISIBLE REGION: X IS
UV WAVES
UV RAYS
- 13. Multiple Choice
WHICH OF THE FOLLOWING HAVE THE MAXIMUM WAVELENGTH
UV RAYS
RADIO WAVES
X RAYS
IR RAYS
- 14. Multiple Choice
WHICH OF THE FOLLOWING IS THE ELECTROMAGNETIC RADIATION
X RAYS
UV RAYS
CATHODE RAYS
BOTH 2 AND 3
- 15. Multiple Choice
THE RATIO OF ENERGY OF PHOTONS OF WAVELENGTHS 2000AO AND 4000AO IS
2
TWO
4
FOUR
- 16. Multiple Choice
WHICH OF THE FOLLOWING IS /ARE CORRECT
FREQUENCY*WAVELENGTH= VELOCITY OF LIGHT
WAVELENGTH*FREQUENCY=VELOCITY OF LIGHT
LAMDA=C/V
VDASH=1/LAMDA
- 17. Multiple Choice
Which of the following statement(s) are false related to an electromagnetic WAVE
1) The oscillating electric and magnetic fields are perpendicular to each other
2) The electric and magnetic components have different wave Lengths and frequency
3)Electromagnetic waves can travel through solids, but cannot travel through VACCUM
4)All electromagnetic radiations travel with the same Speed
- 18. Multiple Choice
Statement-l: The height of a crest or depth of a trough is called amplitude.
Statement-ll: The units of wavenumber are cm or m"
1) Both statements l and lI are correct
2) Both statements I and II are incorrect
3) Statement I is correct and statement iS incorrect
4) Statement I is incorrect and statement I is correct
- 19. Multiple Choice
Light (or) any electromagnetic radiation travel in vacuum or air with a speed of:
3x1010 cm/s
3x108 cm/s
3x108 m/s
3x1010m/s
- 20. Multiple Choice
the units of wavelength m, cm, A0 and nm, 1nm =
10-9m
10-7cm
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