SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Give abbreviation for the following.

FPO- 

Give abbreviation for the following.

AGMARK- 

Give abbreviation for the following.

FCI- 

Give abbreviation for the following.

FSSAI- 

Assertion: AGMARK is a quality control agency

Reason: ISI is a symbol of quality

Give reason for the following statement.

We should not eat food items beyond the expiry date

Explain the role of food control agencies in India.

Higher Order Thinking Skill.

Sanjana wants to buy a jam bottle in a grocery shop. What are the things she should observe on the label before purchasing it?

The phenomenon of light passing through the object is called ______.

The resistance of a dry human body is high.

The bending of light as it passes from one medium to another is called ______.

A ray of light traveling in medium 1 strikes and travels into another transparent medium 2. If the speed of light is greater in medium 1, the ray will ______.

The ratio of the sine of the angle of incidence to the sine of ______ is constant.

Light is refracted or bent while going from one medium to another because of its ______ changes.

A star appears twinkling into the sky because of the reflection of light by the atmosphere.

Mirage is an example of refraction and the total internal reflection of light.

A water tank appears shallower when it is viewed from the top due to refraction. 

Twinkling of stars and Mirage are the two phenomena occurring due to refraction.

Assertion: The air bubble shines in water.
Reason: Air bubble shines due to the refraction of light.

Which is optically denser out of the two medium M₁& M₂ having the refractive indices = 1.71 and 1.36 respectively?