MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Doppler Effect in Light Waves

96.a 60 watt ...

Question

96.a 60 watt biulb is hang bover the center of a table 4"*4" at a height of 3". the ration of the intensities of illumination at point on the center of he edge and on the corner of the table is

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. A lamp of luminous intensity

20

C d

is hanging at a height of

40

c m

from the center of a square table of side

60

c m

. The illuminance at the corner of the table will be

Q. A lamp of luminous intensity

20

C d

is hanging at a height of

40

c m

from the center of a square table of side

60

c m

. The illuminance at the midpoint of the side of the table will be

Q. A lamp is hanging along the axis of a circular table of radius

r

. At what height should the lamp be placed above the table, so that the illuminance at the edge of the table is

\frac{3}{8}

of that at its center?

Q. An electric bulb is hanging over a table at a height of 1m above it.The illuminance on the table directly below the bulb is 40 lux. the illuminance at a point on the table 1 m away from the first point will be about

Q. An electric bulb is hanging over a table at a height of 1 m above it. The illuminance on the table directly below the bulb is 40 lux. The illuminance at a point on the table 1 m away from the first point will be about
(a) 10 lux
(b) 14 lux
(c) 20 lux
(d) 28 lux

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Doppler's Effect

PHYSICS

Watch in App

explore_more_icon

Explore more

Doppler Effect in Light Waves

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon