Rajesh

Samacheer Book Back Questions And Answers For Science Standard 10 “Acoustics“ I. Choose the correct answer:1. When a sound wave travels through air, the air particlesa) vibrate along the direction of the wave motionb) vibrate but not in any fixed…

Samacheer Book Back Questions And Answers For Science Standard 10 “Electricity“ I. Choose the best answer: 1. Which of the following is correct? a) Rate of change of charge is electrical power. b) Rate of change of charge is current.…

Samacheer Book Back Questions And Answers For Science Standard 10 “Thermal Physics“ I. Choose the correct answer:1. The value of universal gas constanta) 3.81 mol–1 K–1b) 8.03 mol–1 K–1c) 1.38 mol–1 K–1d) 8.31 mol–1 K–1 2. If a substance is…

Samacheer Book Back Questions And Answers For Science Standard 10 “Optics“ I. Choose the correct answer: 1. The refractive index of four substances A, B, C and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum…

Samacheer Book Back Questions And Answers For Science Standard 10 “Laws of Motion“ I. Choose the correct answer:1) Inertia of a body depends ona) weight of the objectb) acceleration due to gravity of the planetc) mass of the objectd) Both…

Samacheer Book Back Questions And Answers For Science Standard 9 “Hardware and Software“ I. Choose the correct answer: 1. Find out the part that is not found in CPU? a. Mother Board b. SMPS c. RAM d. Mouse 2. Which…

Samacheer Book Back Questions And Answers For Science Standard 9 “Parts of Computer“ I. Choose the correct answer: 1.Which one of the following is an output device? a) Mouse b) Keyboard c) Speaker d) Pendrive 2.Name the cable that connects…

Samacheer Book Back Questions And Answers For Science Standard 9 “Computer – An Introduction“ I. Choose the correct answer: 1. _____ is an electronic device which stores data and information. a) Telescope b) Television c) Computer d) Radio 2. _____…

Samacheer Book Back Questions And Answers For Science Standard 9 “Environmental Science“ I. Choose the correct answer: 1. All the factors of biosphere which affect the ability of organisms to survive and reproduce are called as _____. (a) biological factors…

Samacheer Book Back Questions And Answers For Science Standard 9 “Economic Biology“ I. Choose the correct answer: 1. The production and management of fish is called (a) Pisciculture (b) Sericulture (c) Aquaculture (d) Monoculture 2. Which one of the following…