NCERT Solutions for Class 7 Science Chapter 15 LightShare
NCERT Solutions for Class 7 Science Chapter 15 Light
Fill in the blanks:
a. An image that cannot be obtained on a screen is called ____________.
b. Image formed by a convex _______ is always virtual and smaller in size.
c. An image formed by a _________ mirror is always of the same size as that of the object.
d. An image which can be obtained on a screen is called a _____ image.
e. An image formed by a concave _______ cannot be obtained on a screen.
Mark ‘T’ if the statement is true and ‘F’ if it is false:
a. We can obtain an enlarged and erect image by a convex mirror. (T/F)
b. A concave lens always form a virtual image. (T/F)
c. We can obtain a real, enlarged and inverted image by a concave mirror. (T/F)
d. A real image cannot be obtained on a screen. (T/F).
e. A concave mirror always from a real image. (T/F)
|Chapter 1 - Nutrition in Plants|
|Chapter 2 - Nutriton in Animals|
|Chapter 3 - Fibre to Fabric|
|Chapter 4 - Heat|
|Chapter 5 - Acids, Bases and Salts|
|Chapter 6 - Physical and Chemical Changes|
|Chapter 7 - Weather, Climate and Adaptations of Animals to Climate|
|Chapter 8 - Winds, Storms and Cyclones|
|Chapter 9 - Soil|
|Chapter 10 - Respiration in Organisms|
|Chapter 11 - Transportation in Aminals and Plants|
|Chapter 12 - Reproduction in Plants|
|Chapter 13 - Motion and Time|
|Chapter 14 - Electric Current and Its Effects|
|Chapter 15 - Light|
|Chapter 16 - Water: A Precious Resource|
|Chapter 17 - Forests: Our Lifeline|
|Chapter 18 - Wastewater Story|