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Textual Questions of motion (9th class 1st lesson)

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9th class 1. Motion TQ chapter 1:-Motion Textual Questions motion textual questions 1. “She moves at a constant speed in a constant direction.” . Rephrase the same sentence in fewer words using concepts related to motion.(AS1) Ans:- She moves with uniform velocity. 2. In the figure given below distance vs time graphs showing motion of two cars A and B are given. Which car moves fast ? (AS1) Ans:- 1. Speed = distance/time         = slope of the graph distance, time graphs 2. Slope of distance time graphs represents speed of an object 3. Curve of car 'A' has more slope than 'B'. So, car ‘A’ moves fast. 3. Distinguish between speed and velocity. (AS1) Ans:- Speed Velocity 1. The distance travelled by the body in unit time is called spe...
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10th class. HEAT LESSON

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chapter 1:- Heat Synopsis Videos TQs Bits short notes 1.Heat Heat is a form of energy which flows from the body at higher temperature to the body that has lower temperature. (from hot body to cold body.) Formula :- Q=ms∆t Where Q= heat (absorbed or lost) m = mass ∆t = temperature difference Units :- 1. joule (J) in S.I system) 2. calorie(cal) (in C.G.S system) 3. I cal = 4.186 joules. 5. Calorie: The amount of heat required to raise the temperature of 1 gram of water by 1 ° C is called calorie. 2.Temperature (T) 1. The degree of hotness or coldness is called temperature. 2. It depends on the average kinetic energy of the molecules of a system. 3. Units:- a. kelvin(K) (in S.I system) b. degree celsius(in C.G.S system) 4. Normal temperature of a healthy human is 98.6° F or 37° C o...
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Equilibrium: The Balancing Game EQUILIBRIUM Chemical Equations Balancing Simulator TIME: 00:00.0 BEST: --:--.- ⬅ PREV 1 / 1 NEXT ➡ Go Fullscreen 🔄 RESET ⚡ START LAB MODE 🛑 STOP LAB MODE Ready to balance! Modify values to activate the scale. number of atoms in Reactants number of atoms in Products Koppisetti Venkatarao · S.A (P.S) ZPHSCHOOL, Chebrolu, kakinada Dist
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