Home Academy Matter Chapter – Previous Year MCQs (RRB & NTSE Level ) Matter is anything that A. Has weight only B. Occupies space only C. Has mass and occupies space D. Can be seen only Answer: C The smallest particle of an…
Latent Heat Latent heat is the energy absorbed or released by a substance during a phase change that occurs at a constant temperature. Unlike sensible heat, which changes the temperature of a substance, latent heat is “hidden” …
Specific Heat Capacity Specific heat capacity, represented by the symbol c or s, is the amount of heat energy required to raise the temperature of one unit mass of a substance by one degree Celsius or one Kelvin. It is a fundam…
Home Academy Heat Chapter – Previous Year MCQs (RRB & NTSE Level) The SI unit of heat energy is A. Calorie B. Joule C. Watt D. Kelvin Answer: B The instrument used to measure temperature is A. Barometer B. Thermometer C. Hy…
Home Academy Gravitation Chapter – Previous Year MCQs (RRB & NTSE Level) The force of gravitation between two bodies is directly proportional to A. Product of their masses B. Sum of their masses C. Difference of their masse…
Difference Between Plane Mirror and Spherical Mirror 1. Definition Plane Mirror A mirror with a flat reflecting surface . Spherical Mirror A mirror whose reflecting surface is part of a sphere. It is of two types: Concave Mirro…
Sources of Energy – Complete Notes for SSC & JKSSB General Science By Home Academy Energy is the capacity to do work. Every physical, chemical, and biological process on Earth depends on energy. For competitive examinations…
Rare Earth Minerals Rare earth minerals are a group of seventeen metallic elements that occur together in nature and play a vital role in modern technology. These elements are termed “rare” not because they are found in very sm…
Periodic Table: History, Classification of Elements and the Modern Periodic Table By Home Academy The periodic table is one of the most important and fundamental tools in chemistry. It systematically arranges all known chemical…
Reproduction and types of reproduction in plants and animals Notes and Mcq (Home Academy – General science Biology Exam Notes) Definition of Reproduction Reproduction is the biological process by which living organisms produce n…
Classification of Plants By Home Academy – General Science Biology Notes (Examination Focused) Plant classification is the systematic arrangement of plants into groups and sub-groups based on similarities and differences in t…