7th Standard Syllabus & Materials
7th Standard
Tamilnadu 7th Standard Maths T2 - தகவல் செயலாக்கம் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - தகவல் செயலாக்கம் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set C
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set C
Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 7 Science Subject. It
will helps to get more idea about question pattern in every book back questions with solution.
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.
What is a shadow? What things are necessary for the formation of a shadow?
2.
How do you obtain a spectrum of light?
3.
If a ray of light is falling on a plane mirror at an angle of 500 is formed, what will be the angle of reflection?
4.
Explain with examples, why some capital letters look the same in a mirror but others are reversed.
5.
Draw a diagram of a pin hole camera showing the rays of light passing between the Object and its image.
1.
When an opaque object is placed in the path of light a uniform dark area will appear on the screen. This is called shadow,
Things necessary for shadow formation:
i) an opaque material
ii) light source
iii) screen
The opaque material must be placed in the path of light.
2.
A spectrum of light can be obtained by passing white light through a glass prism and reflecting it on a screen Dispersion of light occurs and we can obtain a spectrum of light.
3.
According to laws of reflection
Angle of incidence = Angle of reflection
\(\begin{array}{lll} \angle i & = & \angle r \\ \angle i & = & 50^{\circ} \end{array}\)
Angle of reflection, \(\angle r=50^{\circ}\)
4.
(i) Any object that has a bilateral symmetry will have its mirror image the same as that of the object. The capital letters A, H, I, M. O, T, U, V, W, X, Y have bilateral symmetry. So they look the same in a mirror.
(ii) Other capital letters like B, D, E etc. do not have bilateral symmetry. So they are reversed in a mirror.
5.
7th Standard Syllabus & Materials
7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - அளவைகள் Important Questions And Answers Study Material - QB365 Set C
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - அளவைகள் Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
