Category Samacheer Book Back Questions And Answers

Samacheer Book Back Questions And Answers For Science Standard 9 “Universe“ I. Choose the correct answer: 1. Who proposed the heliocentric model of the universe? (a) Tycho Brahe (b) Nicolaus Copernicus (c) Ptolemy (d) Archimedes 2. Which of the following…

Samacheer Book Back Questions And Answers For Science Standard 9 “Sound“ I. Choose the correct answer: 1. Which of the following vibrates when a musical note is produced by the cymbals in a orchestra? (a) stretched strings (b) stretched membranes…

Samacheer Book Back Questions And Answers For Science Standard 9 “Heat“ I. Choose the correct answer: 1. Calorie is the unit of (a) heat (b) work (c) temperature (d) food 2. SI unit of temperature is (a) Fahrenheit (b) joule…

Samacheer Book Back Questions And Answers For Science Standard 9 “Light“ I. Choose the correct answer: 1. A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is (a) 0° (b) 45°…

Samacheer Book Back Questions And Answers For Science Standard 9 “Magnetism and Electromagnetism“ I. Choose the correct answer:1. Which of the following converts electrical energy into mechanical energy?(a) Motor(b) Battery(c) Generator(d) Switch 2. Transformer works on _____.(a) AC only(b) DC…

Samacheer Book Back Questions And Answers For Science Standard 9 “Electric Charge And Electric Current“ I. Choose the correct answer: 1. In current electricity, a positive charge refers to, (a) presence of electron (b) presence of proton (c) absence of…

Samacheer Book Back Questions And Answers For Science Standard 9 “Fluids“ I. Choose the correct answer: 1. The size of an air bubble rising up in water (a) decreases (b) increases (c) remains same (d) may increase or decrease 2.…

Samacheer Book Back Questions And Answers For Science Standard 9 “Motion“ I. Choose the correct answer: 1. The area under velocity – time graph represents the (a) velocity of the moving object. (b) displacement covered by the moving object. (c)…

Samacheer Book Back Questions And Answers For Science Standard 9 “Measurement“ I. Choose the correct answer: 1. Choose the correct one. (a) mm < cm < m < km (b) mm > cm > m > km (c) km <…

Samacheer Book Back Questions And Answers For Science Standard 8 “Libre Office Calc“ I. Choose the best answer: 1. All functions begins with an _____ sign a) = b) – c) > d) } 2. _____ function is used to…