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On your way to school, you can see so many things around you, you see the buildings, car, trees, scooters and many more. Have you ever imagined how can you see these things? What ENABLES us to see things around us?During the day we get sufficient amount of light from the sun and so we can see the objects clearly. But when you enter a dark room, will you be able to see the objects around you? NO! Because there is no light present there.Yes, we can see things in dark only when we switch ON the light. We can see the chairs, table, T.V, utensils and everything around you. Light is one of the important things that is required to see objects around us. It is the SOURCE of invisible energy which gives us the sensation of sight.The different types of light we see around us is the light from sunlight, light from the bulbs, torch, the traffic lights, the light from the candle, light from the laser and many more. These are different from one another but helps us to view things around us. Not all the objects can produce lights. Such objects are categorized into two types.Luminous objectIlluminated objectLuminous ObjectLuminous objects have the ability to produce their own light. Sun is an example of a luminous object. Sun produces its own light.Illuminated ObjectIlluminated objects do not produce their own light, but still, we can see them. But how are these possible? What happens is these objects reflect the light which comes from the luminous objects when light falls on them. Light falls on all the objects but not all the objects forms shadow. If you take a ball, its shadow is formed.But if you take the same ball in the dark room, you cannot see the shadow of the ball. This is because there is no light present in the dark room. When we see through the glass window we can see the things outside the window, this is also due to the presence of light.Some objects allow the light to pass through them while some objects don’t and in some objects, light passes partially through them.Transparent objects: These objects allow the light to pass through them. eg. Take a transparent glass and fill it with water. Now take a torch and allow the torchlight to pass through the glass. You are able to see the light as the water is transparent and allows the light to pass through it.Translucent objects: These objects allow the light to partially pass through them. That means it allows some light to pass through it while blocks some of the light. eg. If we take some milk in the glass and allow the torchlight to pass through it, milk will allow a very LITTLE ray of light to pass through it as milk is a translucent object.Opaque objects: These objects do not allow the light to pass through them at all. eg. If we take some amount of tea in the glass and allow the torchlight to pass through it. the tea being an opaque object won’t allow the light to pass through it.ShadowsShadow is NOTHING but space when the light is blocked by an opaque object. It is just that part where light does not reach. When you stand in the sun, you are able to see your shadow behind you.How do you see that shadow? This is because our body is opaque and does not allow the light to pass through it. This is how the shadow is formed behind us. When you go to a party, you wear a colorful DRESS. But when you look at your shadow can you see the colors? NO! We always get a black shadow.

By the help of motor we can CHANGE ELECTRICAL ENERGY into mechanical energy

50 as ANGLE INCLINED is always EQUAL to angle of EMERGENCY

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Two vectors: for angular velocity and RADIUS VECTOR.To find: The velocity vector?Solution:Now we have given the vectors which are as follows:                    angular velocity (ω) = i - 2j + 3k                    radius vector (r) = i + 2j + kNow we know the relation between linear velocity and angular velocity which is:                   (ω) X (r) = vSo putting the values in formula, we get:                    v =  ( i - 2j + 3k ) x ( i + 2j + k )                    v =                    v = i(-2-6) - J(1-3) + k(2+2)                    v = i(-8) - j(-2) + k(4)                    v = -8I + 2j + 4kAnswer:            So the velocity vector is -8i + 2j + 4k

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The frictional FORCE ACTING on 1 kg block is 0.01Explanation:On smooth surface acceleration of both blocks when it MOVES will be , For this acceleration REQUIRED frictional force will be, if mass of block is 1 kg F = ma = 1 x 10/101 N = 10/101N Maximum static friction will be, μ x mg = 0.5 x 10 = 5N > f  F = 10/101 N = 0.01 (Approx)

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the ANGLE of REFLECTION will ALSO be 33Explanation:angle of reflection is EQUAL to angle of INCIDENCE

The RESISTIVITY of copper is 1.76 x 10-8 ohm metre the RADIUS of the WIRE is 1mm, CALCULATE the lenght of wire needed for having resistance of 10.5 ohm.

n :Marathi : इंटरनेटला देशातील मूलभूत अधिकार देणारे राज्य काय आहे ?English : Which state gives the Internet the basic human rights in our country?Answer : Kerala is the first Indian state who DECLARE internet USAGE is a fundamental human right.उत्तर : इंटरनेट प्रवेश मूलभूत मानवाधिकार घोषित करणारे केरळ हे भारतातील पहिले राज्य बनले आहे.Kerala is the most literate state in our country, On 18 March 2017, Government ANNOUNCE the the internet access is a fundamental human right as food, water and education.

when a MAN die after that the gudgement of the man will HAPPEN the questions may be ASKED that what good deeds you have DONE or what bad

mass:- 19valency:- 2,4,3 hence VALENCY is 3Explanation:. for valency OUTERMOST electron is generally CONSIDERED and for mass one must REMEMBER it.

avational CONSTANT...... HOPE this HELPS

momentum is EQUAL to m into v.I hope this ANSWER should be HELP you PLEASE follow me

tion:in SERIES capacitor =1/C=1/C1 +1/c2in parallel capacitor = c= c1 +c2

nce is the opposition that a substance OFFERS to the flow of electric current. It is represented by the uppercase LETTER R. The standard UNIT of resistance is the ohm, SOMETIMES WRITTEN out as a word, and sometimes symbolized by the uppercase Greek letter omega: Greek letter omega

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wire of LENGTH 4.7 m and CROSS sectional area 3.0 × 10⁻⁵ m² STRETCHES by the same amount as a COPPER wire of length 3.5 m and cross-sectional area of 4.0 × 10⁻⁵ m² under a given load. What is the ratio of the YOUNG's modulus of Steel to that of Copper?

in Prestress of PRESTRESSED ConcreteThe force which is used to STRETCH the wire to the REQUIRED length must be available all the time as prestressing force if the steel is to be prevented from contracting. CONTRACTION of steel wire occurs due to several causes, affecting REDUCTION in the prestress. This reduction in the prestressing force is called loss in prestress.In a prestressed concrete beam, the loss is due to the following:Elastic shorteningShrinkage of concreteCreep of concreteFrictional lossRelaxation of steelAnchorage take-up

the astronaut's MASS REMAINS same while his WEIGHT decreases.Note: The mass of a BODY remains same everywhere in the universe but the value of g is not same.Due to this,The weight of the body differs and not the mass.hope it helped and pls mark as BRAINLIEST:)

Being that it takes the weight of an OBJECT on earth and converts it toMartian weight, the FORMULA is Weight on Mars= (Weight on Earth/9.81m/s2) * 3.711m/s2. To find the Martian weight, we divide the weight on earth by the earth's force of gravity, which is 9.81m/s2. This CALCULATES the mass of the object.

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Explanation:PRINCIPLE of operationThe principle of a POTENTIOMETER is that the potential dropped across a segment of a wire of uniform cross-section carrying a CONSTANT CURRENT is directly proportional to its length. The potentiometer is a simple device used to measure the electrical potentials(or compare the e.m.f of a cell).

A COIL of rope or wire is a length of it that has been WOUND into a SERIES of loops......❣️❣️Ex:- SPRING of motor.......

you can write this ESSAY in your own word. EXPLANATION in Hindi in below(pehle yaar Tum koshish kar lo agar nahi aayega to hum jarur answer Dene Ka prayas karenge Hume bilkul appati NAHIN hai answer dene ki pehli koshish karo phir nahin agar aaya to POOCH LENA brainly par).I hope this suggestions we help you..please follow me

Now by ....DIFFERENTIATION of this x=3+8t+7t2we will GET velocityv=8+14tt=2(GIVEN)V=8+14x2 = 36m/snow by differentiation of v we will get av=8+14tnow, a=14m/s2Explanation:Thankuu

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