SSLC (English Medium) इयत्ता ८ - Tamil Nadu Board of Secondary Education Question Bank Solutions

The simplified form of `(256)^((-1)/4) xx 4^2` is `1/4`

Evaluate: `((-5)/6)^(-3)`

Evaluate: `(2/5)^4 xx (5/2)^(-2)`

Evaluate: `2^7 xx (1/2)^(-3)`

Evaluate: (2⁻⁵ × 2⁷) ÷ 2⁻² 

Evaluate: (2⁻¹ × 3⁻¹) ÷ 6⁻² 

Evaluate: `(4/5)^(-2) ÷ (4/5)^(-3)`

Simplify using law of exponents.

18⁸ ÷ 18⁴

Fill in the blank

Heat is a form of _______.

Fill in the blank.

The pitch of a sound depends on its ________.

Closeness of two or more measured values is called as ______

Higher order Thinking question

Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?

The uncertainty in measurement is called as _______.

If we apply force against the direction of motion of the body, then the body will

Force acting on a given area is called pressure.

Give two examples to verify that a force changes the shape of a body.

Give two examples to verify that a force tends to change the static condition of a body.

Speed of light in air is 3 × 10⁸ m s^–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.

If you apply some heat energy to a substance, which of the following can take place in it?