NEW
Font size
WorksheetsMINTRA 2K25
Total questions: 25
Worksheet time: 8mins
What do you obtain when a base reacts with an acid?
Water and salt
Hydrogen gas
Heat
Neutral solution
What causes the colors in a rainbow?
Reflection of light
Scattering of light
Refraction and reflection
Absorption of light
Which railway station in India is known for being the first to be built?
Chhatrapati Shivaji Maharaj Terminus
Howrah Junction
Royapuram Railway Station
New Delhi Railway Station
Who is known for proposing the planetary model of the atom?
Isaac Newton
Niels Bohr
J.J. Thomson
Max Planck
Asher is working on a physics project about electrical circuits. He learns that the SI unit of electrical resistance is
Ampere
Volt
Ohm
Joule
The state of matter characterized by a definite volume but no fixed shape, allowing particles to slide past one another, is known as
Solid
Liquid
Gas
Plasma
A type of bond that occurs when one atom donates an electron to another atom is known as a
Covalent bond
Ionic bond
Metallic bond
Hydrogen bond
The force of friction between two surfaces is proportional to
The area of contact
The normal force
The velocity
The temperature
The concept of half-life in radioactive decay refers to
The time taken for the substance to become completely stable
The duration needed for half of the radioactive atoms to transform into a different element
The period required for the radiation level to drop to zero
The time it takes for the mass of the substance to reduce by half
What is the normal temperature of a human body?
27 degrees
25 degrees
37 degrees
35 degrees
Which state in India is the largest producer of electronics?
Maharashtra
Tamil Nadu
Karnataka
Uttar Pradesh
Ohm's law is valid for
All materials
Conductors only
Superconductors only
Metals and semiconductors
The process of changing alternating current (AC) to direct current (DC) is called
Amplification
Rectification
Oscillation
Induction
What is the SI unit of electric charge?
Coulomb
Volt
Ohm
Watt
Which of the following is NOT a type of electromagnetic radiation?
Infrared
Microwaves
Alpha particles
Radio waves
Which of the following has the highest refractive index?
Air
Water
Diamond
Glass
What is the term for elements in the same column of the periodic table?
Periods
Groups
Series
Families
What is the process called when a solid turns directly into a gas?
Melting
Sublimation
Evaporation
Condensation
Which element is in Group 1 of the periodic table?
Lithium
Magnesium
Calcium
Aluminum
In the context of stress and strain, Young’s Modulus is defined as the ratio of
Stress to strain in shear deformation
Stress to strain in axial deformation
Force to area in normal stress
Energy to volume in elastic deformation
In a chemical reaction, the activation energy is
The energy required to form products
The energy required to break bonds in the reactants
The total energy of the system
The energy released in the reaction
What type of reaction is combustion?
Decomposition
Endothermic
Exothermic
Neutralization
A catalyst
Increases the rate of a reaction by being consumed
Decreases the activation energy of a reaction
Increases the equilibrium constant of a reaction
Does not affect the reaction rate
According to Newton's second law of motion, the force on an object is
Proportional to its velocity
Proportional to its displacement
Proportional to its mass and acceleration
Proportional to its momentum
The Debye temperature of a material is associated with
Superconductivity
Heat capacity at low temperatures
Melting point
Thermal expansion
