Semester-1 Review

Front

What is the formula to calculate acceleration?

Back

Acceleration (a) = Net Force (F) / Mass (m)

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the principle of conservation of mass?

Back

In a closed system, the mass of reactants equals the mass of products.

Front

How do you calculate the net force acting on an object?

Back

Net Force = Total Forces acting on the object (considering direction).

Front

What is the relationship between mass and weight?

Back

Weight = Mass × Gravitational Acceleration (W = m × g) where g is approximately 9.81 m/s² on Earth.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties.

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What does it mean for a reaction to be balanced?

Back

A balanced reaction has equal numbers of each type of atom on both sides of the equation.

Front

What is the formula for calculating mass from density and volume?

Back

Mass = Density × Volume.