Learn Ncert All Solutions

from a handpicked tutor in LIVE 1-to-1 classes

from a handpicked tutor in LIVE 1-to-1 classes

# A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case. Attempt to give a rough sketch of the shadow. (You may try to experiment first and then answer these questions)

**Solution:**

When the light of a bulb falls just above the solids, the shapes we obtain are:

(i) For a ball, the shadow will be a circle

(ii) For a cylindrical pipe, the shadow is a rectangle

(iii) For a book, the shadow is a rectangle

**☛ Check: **NCERT Solutions for Class 7 Maths Chapter 15

**Video Solution:**

## A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case. Attempt to give a rough sketch of the shadow. (You may try to experiment first and then answer these questions)

Maths NCERT Solutions Class 7 Chapter 15 Exercise 15.4 Question 1

**Summary:**

A bulb is kept burning just right above the following solids. (i) For a ball, the shadow will be a circle, (ii) For a cylindrical pipe, the shadow is a rectangle, (iii) For a book, the shadow is a rectangle. A rough sketch of the shadow is shown above.

**☛ Related Questions:**

- Here Are The Shadows Of Some 3 D Objects When Seen Under The Lamp Of An Overhead Projector Identify The Solids That Match Each Shadow There May Be Multiple Answers For These
- Examine If The Following Are True Statements I The Cube Can Cast A Shadow In The Shape Of A Rectangle Ii The Cube Can Cast A Shadow In The Shape Of A Hexagon
- Give I An Oblique Sketch And Ii An Isometric Sketch For Each Of The Following A Cuboid Of Dimensions 5 Cm 3 Cm And 2 Cm Is Your Sketch Unique B A Cube With An Edge 4 Cm Long
- What Cross Sections Do You Get When You Give A I Vertical Cut Ii Horizontal Cut To The Following Solids A A Brick B A Round Apple C A Die D A Circular Pipe E An Ice Cream Cone

Math worksheets and

visual curriculum

visual curriculum