**NCERT
Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.4**

NCERT
Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.4 are the part of NCERT
Solutions for Class 7 Maths. Here you can find the NCERT Solutions for Class 7
Maths Chapter 15 Visualising Solid Shapes Ex 15.4.

**NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.1****NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.2****NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.3****NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Ex 15.4**

**Ex 15.4 Class 7 Maths Question 1.**

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 bulb is kept just above the given solids, we get the
following shapes as shadows.

(i) A ball: The shape of the shadow obtained is a circle.

(ii) A cylindrical pipe: The shape of the shadow obtained is a rectangle.

(iii) A book: The shape of the shadow obtained is a rectangle.

**Ex 15.4 Class 7 Maths Question 2.**

Here are the shadows of some 3-D objects, when seen
under the lamp of an overhead projector. Identify the solid(s) that match each
shadow. (There may be multiple answers for these!)

**Solution:
**(i) The given shadow corresponds to a sphere, a cylinder or a cone.

(ii) The given shadow corresponds to a cube.

(iii) The given shadow corresponds to a prism or a pyramid.

(iv) The given shadow corresponds to a cuboid or a cylinder.

**Ex 15.4 Class 7 Maths Question 3.**

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.

**Solution:****
**(i) The given statement is true.

(ii) The given statement is false.

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