MyQuestionIcon

1

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

Shadows and Images

Simone was de...

Question

Simone was decorating her room with red,blue and green coloured bulbs for her birthday party.she found her shadow on the whitewall of the room in pink colour.why the shadow was not black?can coloured shadow be formed?

Open in App

Solution

Dear Student ,

$N o t a l l s h a d o w s a r e b l a c k . W h e n l i g h t s o f d i f f e r e n t c o l o r s s h i n e o n t h e s a m e s p o t o n a w h i t e s u r f a c e, t h e l i g h t r e f l e c t i n g f r o m t h a t s p o t t o y o u r e y e s i s c a l l e d a n a d d i t i v e m i x t u r e b e c a u s e i t i s t h e s u m o f a l l t h e l i g h t . W e c a n l e a r n a b o u t h u m a n c o l o r p e r c e p t i o n b y u \sin g c o l o r e d l i g h t s t o m a k e a d d i t i v e c o l o r m i x t u r e s . C o l o u r e d s h a d o w s c a n n o t b e f o r m e d .$

Regards

Suggest Corrections

thumbs-up

0

Similar questions

Q. A student obtains a shadow of an opaque object using a red, and then a green flashlight. The colour of the shadow will be different for each case.

Q. Three identical towels of red, blue, and green colour are hanging on a clothesline in the Sun. What would be the colour of the shadows of these towels?

Q. What will be the colour of a shadow formed in red light?

Q. Rama was experimenting with the set up shown in figure 1 to find out about shadows and the properties of light when she obtained the shadow shown in figure 2. In figure 3, suggest what material each part of the object was made of for her to obtain the given shadow.
Figure

Q. A student covered a torch with red cellophane sheet to obtain red light. Using the red light she obtains a shadow of an opaque object. She repeats this activity with green and blue light. Will the colour of the light affect the shadow? Explain.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Sanctuaries

PHYSICS

Watch in App

explore_more_icon

Explore more

Shadows and Images

Standard VIII Physics

Join BYJU'S Learning Program

CrossIcon