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Nidhi Ahuja

Sep 20, 2014



Sanjeev Tiwari

Jan 2, 2015



Rumaisa

Feb 12, 2014

#### pls answer this question



A mirror is an  opaque object which does not allow light passes through it. The light cannot pass through the mirror from one side to the other side. But we can clearly see th...

Yash Goel

Mar 24, 2015



Sanjeev Tiwari

Jan 1, 2015

#### Classify the materials given below as opaque, translucent or transparent: Air, smoke, fog, aluminum sheet, wooden board, cellotape, polythene sheet, lime juce, wax, rubber tyre and milk



Transparent objects:
The objects that can allow light to pass through them. These objects do not form shadow
Examples: aluminium sheet, wooden board, w...

Daithui

Sep 15, 2013

#### why is it always black? even if the object is not black?



Let's do an activity to observe the colour of a shadow:
1. Take 3 balls of equal size but different colours.
2. ...

Sanjeev Tiwari

Jan 1, 2015

#### Do fishes cast shadows in water?



Yes, of course. The body of a fish is opaque. Hence if sunlight or any other light falls on it it casts a shadow on the other side.But it depends on how far is the screen from the fish. The screen may the floor...

Mrs mona Rangra

Jan 11, 2015

#### Is moon a luminous object?



No. Moon is not a luminous object. It cannot emit the light rays by itself and if it does not have its own light source. Moon appears glowing because it is reflecting the light ray...

Nidhi gulati

Mar 2, 2014



Shushanta Kumar

Aug 2, 2014

#### can an object form two or more shadows at the same time ? How



Yes, an  object can form two shadows at the same time. can. This multiple shadows formed due to interruption of light from a single source. If an object is exposed to multiple light sources then we can fin...

Nidhi Ahuja

Sep 20, 2014



Sanjeev Tiwari

Jan 2, 2015



Rumaisa

Feb 12, 2014

#### pls answer this question



A mirror is an  opaque object which does not allow light passes through it. The light cannot pass through the mirror from one side to the other side. But we can clearly see th...

Yash Goel

Mar 24, 2015



Sanjeev Tiwari

Jan 1, 2015

#### Classify the materials given below as opaque, translucent or transparent: Air, smoke, fog, aluminum sheet, wooden board, cellotape, polythene sheet, lime juce, wax, rubber tyre and milk



Transparent objects:
The objects that can allow light to pass through them. These objects do not form shadow
Examples: aluminium sheet, wooden board, w...

Daithui

Sep 15, 2013

#### why is it always black? even if the object is not black?



Let's do an activity to observe the colour of a shadow:
1. Take 3 balls of equal size but different colours.
2. ...

Sanjeev Tiwari

Jan 1, 2015

#### Do fishes cast shadows in water?



Yes, of course. The body of a fish is opaque. Hence if sunlight or any other light falls on it it casts a shadow on the other side.But it depends on how far is the screen from the fish. The screen may the floor...

Mrs mona Rangra

Jan 11, 2015

#### Is moon a luminous object?



No. Moon is not a luminous object. It cannot emit the light rays by itself and if it does not have its own light source. Moon appears glowing because it is reflecting the light ray...

Nidhi gulati

Mar 2, 2014