7th Standard Syllabus & Materials
7th Standard
TN 7th Tamil рокро░рпБро╡роорпН -1 роЗропро▓рпН 1 - роЕроорпБродродрпНродрооро┐ро┤рпН - роТройрпНро▒ро▓рпНро▓ роЗро░рогрпНроЯро▓рпНро▓ Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th Tamil рокро░рпБро╡роорпН -1 роЗропро▓рпН 1 - роЕроорпБродродрпНродрооро┐ро┤рпН - роОроЩрпНроХро│рпН родрооро┐ро┤рпН Important Questions And Answers Study Material - QB365 Set A
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TN 7th English T1 - Poem - Your Space Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Prose - A Prayer to the Teacher Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Poem - The Listeners Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Prose - The Wind on Haunted Hill Important Questions And Answers Study Material - QB365 Set A
Published on: 14/12/2020
7th Standard Science T3 - Light English Medium Free Online Test 1 Mark Questions 2020-2021
Download Tamil Nadu 7th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
Which of the following facts explain how shadows are formed?
a. Light travels in straight lines
b. Opaque bodies do not allow light to pass through them
c. Reflection occurs at a smooth surfaces like mirrors
d. Lateral inversion happens
both A and B
both A and D
both B and C
only A
2.
The image formed by a pinhole camera is inverted because, ______.
light travels in straight lines
light rays become laterally inverted as they pass through a pinhole camera
light rays pass through the pinhole
light rays get reflected
3.
Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning.
There will be no shadow
The shadow will be longer and on the opposite side as the sun
The shadow will be shorter and on the same side as the sun
The shadow will be shorter
4.
Which of the following is the best reflector of light?
plastic plate
plane mirror
wall
paper
5.
Reflection occurs , when the light ______.
about to reach a surface
approaches a surface
passes through a surface
None of these
6.
Choose the translucent substance from the following.
glass
wood
water
Clouds
7.
You can see your image in polished floors, but not in wooden table because_______.
regular reflection takes place in wooden table and irregular reflection in polished floor
regular reflection takes place in polished floor and irregular reflection in wooden table
regular reflection takes place in both polished floor and wooden table
irregular reflection takes place in both polished floor and wooden table
8.
Light is a form of_______.
matter
energy
medium
particle
9.
_____Surface reflects the light well.
water
compact disc
mirror
stone
10.
Light that hits a mirror gets_______.
Transmitted
Reflected
Absorbed
Refracted
1.
(a)
both A and B
2.
(a)
light travels in straight lines
3.
(a)
There will be no shadow
4.
(b)
plane mirror
5.
(b)
approaches a surface
6.
(d)
Clouds
7.
(b)
regular reflection takes place in polished floor and irregular reflection in wooden table
8.
(b)
energy
9.
(c)
mirror
10.
(b)
Reflected
7th Standard Syllabus & Materials
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Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
