Download App

Science [3 Marks Each] QUE-ANS

Light Shadows and Reflection · Gujarat Board (GSEB) STD 6 (GSEB - English Medium). 5 questions.

Questions

[3 Marks Each] QUE-ANS

🎯

Test yourself on this topic

5 questions · timed · auto-graded

Question 13 Marks
Make a list of artificial light sources found in your home and draw their pictures.
Answer
The sources of light found in our home are : $(1)$ Electric bulb $(2)$ Lantern $(3)$ Candle $(4)$ Tube light $(5)$ Torch. 
View full question & answer→
Question 23 Marks
Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?
Answer
Yes, it is possible. To demonstrate this, we need a small torch and a small solid cylindrical object. 
 
$(1)$ As shown in figure $(a)$ when the top circular view of the cylinder faces the torch, the shadow obtained on the wall or a piece of paper is circular in shape.
$(2)$ As shown in figure $(b)$ when the curved side face of the cylinder faces the torch, the shadow obtained on the wall or a piece of paper is rectangular in shape.
View full question & answer→
Question 33 Marks
Describe the method to construct a pinhole camera.
Answer
The method to construct a pinhole camera is as follows:
$(1)$ Take two boxes so that one can slide into another with no gap in between them.
$(2)$ Cut open one side of each box.
$(3)$ On the opposite face of the larger box, make a small hole in the middle.
$(4)$ In the smaller box, cut out from the middle a square with a side of about $5$ to $6\ cm.$
$(5)$ Cover this open square in the box with tracing paper (translucent screen).
$(6)$ Slide the smaller box inside the larger one with the hole, in such a way that the side with the tracing paper is inside. Your pinhole camera is ready for use.
View full question & answer→
Question 43 Marks
Make a list of artificial light sources found in your home and draw their pictures.
Answer
The sources of light found in our home are : $(1)$ Electric bulb $(2)$ Lantern $(3)$ Candle $(4)$ Tube light $(5)$ Torch.
View full question & answer→
Question 53 Marks
Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?
Answer
Yes, it is possible. To demonstrate this, we need a small torch and a small solid cylindrical object.
$(1)$ As shown in figure $(a)$ when the top circular view of the cylinder faces the torch, the shadow obtained on the wall or a piece of paper is circular in shape.
$(2)$ As shown in figure $(b)$ when the curved side face of the cylinder faces the torch, the shadow obtained on the wall or a piece of paper is rectangular in shape.
View full question & answer→
Generate Paper FreeAll Light Shadows and Reflection topics
[3 Marks Each] QUE-ANS - Science STD 6 Questions - Vidyadip