Light Energy

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Reflection of Light

Subtopic

Reflection of Light under Light Energy for Grade 7 ICSE.

Preview questions (no answers)

1.
$When light rays from a point meet at another point after reflection, the image formed is:$
A. $Virtual$
B. $Erect$
C. $Real$
D. $Laterally inverted$
2.
$Which of these surfaces will scatter light in many different directions?$
A. $A plane mirror$
B. $A polished steel plate$
C. $A piece of chalk$
D. $A glass sheet$
3.
$The angle of incidence is denoted by the letter:$
A. $r$
B. $n$
C. $i$
D. $a$

Download the worksheet for Light Energy - Reflection of Light to practice offline. It includes additional chapter-level practice questions.

Laws of Reflection

Subtopic

Laws of Reflection under Light Energy for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of the following is true for a virtual image?$
A. $Light rays actually meet at the image point$
B. $It can be projected onto a wall$
C. $Light rays only appear to meet at the image point$
D. $It is always inverted$
2.
$90^\circ$
A. $90^\circ$
B. $0^\circ$
C. $180^\circ$
D. $45^\circ$
3.
$Which of these objects would show diffuse reflection?$
A. $Still water$
B. $A new steel plate$
C. $A piece of cardboard$
D. $A looking glass$

Download the worksheet for Light Energy - Laws of Reflection to practice offline. It includes additional chapter-level practice questions.

Formation of Image in a Plane Mirror

Subtopic

Formation of Image in a Plane Mirror under Light Energy for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$The angle of reflection is the angle between:$
A. $The incident ray and the mirror$
B. $The reflected ray and the mirror$
C. $The normal and the reflected ray$
D. $The incident ray and the reflected ray$
2.
$0^\circ$
A. $Pass through the mirror$
B. $Be at 90° to the incident ray$
C. $Retrace its path$
D. $Be at 180° to the normal$
3.
$An image that can be seen but cannot be caught on a screen is called:$
A. $A real image$
B. $A virtual image$
C. $A shadow$
D. $A reflection$

Download the worksheet for Light Energy - Formation of Image in a Plane Mirror to practice offline. It includes additional chapter-level practice questions.

Lateral Inversion

Subtopic

Lateral Inversion under Light Energy for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which letter among these will NOT appear to change its shape in a mirror?$
A. $S$
B. $Z$
C. $U$
D. $G$
2.
$A digital clock shows 12:11. What will be the middle digit in the mirror image?$
A. $1$
B. $2$
C. $5$
D. $The colon (:)$
3.
$If you point your finger to the right in front of a mirror, the image points to the:$
A. $Left$
B. $Right$
C. $Up$
D. $Down$

Download the worksheet for Light Energy - Lateral Inversion to practice offline. It includes additional chapter-level practice questions.

Uses of Mirrors

Subtopic

Uses of Mirrors under Light Energy for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of these devices uses reflection from plane mirrors to see over a wall?$
A. $Microscope$
B. $Telescope$
C. $Periscope$
D. $Stethoscope$
2.
$A virtual image is one that:$
A. $Can be caught on a screen$
B. $Cannot be caught on a screen$
C. $Is always upside down$
D. $Is always larger than the object$
3.
$Mirrors are usually made by coating one side of a glass sheet with a thin layer of:$
A. $Silver or Aluminum$
B. $Plastic$
C. $Paper$
D. $Copper$

Download the worksheet for Light Energy - Uses of Mirrors to practice offline. It includes additional chapter-level practice questions.

Light Energy

Reflection of Light

❓Preview questions (no answers)

Laws of Reflection

❓Preview questions (no answers)

Formation of Image in a Plane Mirror

❓Preview questions (no answers)

Lateral Inversion

❓Preview questions (no answers)

Uses of Mirrors

❓Preview questions (no answers)

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