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coloured light is selected for the DANGER SIGNAL because::-the red light scatters more frequently in the atmosphere so it is used as the danger signal and it can be SEEN from the farthest distance.THANK YOUHOPE THAT IT WILL HELP YOU

g by Induction - The PHYSICS Classroom Induction charging is a method used to charge an OBJECT without ACTUALLY touching the object to any other charged object. An understanding of charging by induction requires an understanding of the NATURE of a CONDUCTOR and an understanding of the polarization process.

t A, potential energy = mgl at POINT B, potential energy = MG(l - lcos30°)we know for simple pendulum, gain in KINETIC energy = -loss in potential energy= -(potential energy at B - potential energy at A)= -[mg(l - lcos30°) - mgl ] = mglcos30° = √3mgl/2 hence, gain in kinetic energy at B = √3mgl/2

s a transverse wave then up and down and TOWARDS west to EAST and if it is a longitudnal wave then to it will towards west to east . Compresssions and RAREFACTION ocurrs only in a medium or more precisely AIR.

ate here is your ANSWER BINDING energy (also CALLED separation energy) is the MINIMUM energy required to disassemble a system of particles into separate parts.and i had attach a photo of its SALIENT feature

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s inverted2. the image DISTANCE is equal to object distance3.image size is equal to object size4.image is virtual and erect5.image FORMED by not actual INTERSECTION of rays6.image position TAKEN as positive7.image formed opposite side of objecthope it will help u....mark ot as BRAINLIST

e missions are very essential for getting knowledge about the celestial bodies, life on other planets, new planets, etc.2. Such missions help in UNDERSTAND the working of other planets.3. With proper progress in science we can even colonize planets in the NEAR future with the help of the existing details obtained by space missions.4. This MAY ALSO help in understanding the development of UNIVERSE and similar unsolved mysteries.

conservation of momentum. Newton's cradle is an EXAMPLE of theLaw of Conservation of Momentum.Law of conservation of momentum is defined as a principle in physics that says that some PARTS in an isolated SYSTEM remaining STEADY and unchanging over time even when OTHERS are moving.

f force is acting on a BODY work DONE can be zero. This when an object is at REST and no external force except gravity is acting on it in this case THEWORK that would be zero as the forceacting on it is perpendicular.The formula for work done when a body moves at an angle to the direction of force=f s cos they.Where f=force APPLIED and s=displacement and they is the angle in between them..

the AMOUNT of MATTER present in a body while weight is a measure of how strongly gravity pulls on that matter. ... For example, objects weighless on the MOON where gravity is lower compared to the Earth.i hope it HELPS UH ✌️

al energy = mghTaking g as 10m/s²,So POTENTIAL energy = 20 × 10 × 10 => potential energy = 2000 Joules. We have to find its kinetic energy at the FINAL velocity. v² - u² = 2gh=> v² - 0 = 2× 10 × 10=> v² = 200Now kinetic energy = 1/2 × m × v²=> kinetic energy = 1/2 × 20 × 200=> kinetic energy = 2000 Joules

focal LENGTH decides how the IMAGE will formif fol length is LESS then image FORMED is shorterbut when length is more more magnifide image has formed.plz mark me as BRAINLIST....plz

ugh the examples of concise physics BOOKS THOROUGHLY n remember the basic formula always In equilibrium ,By principle of moments,Total anticlockwise moment = total clockwise moment .This ENTIRE STATEMENT should be there always .

is 40 m.I hope you understand . PLEASE MARK ANSWER as brainlist..

is 7√2 m/s.I HOPE you understand. PLEASE mark answer as BRAINLIST..

T=1/fT=1/200T=0.005sec

the ANSWER m= 80G= 0.08kgF= 16NF=ma16=0.08×a a=16/0.08= 200m/s^2F= I/t16= I/1I= 16kg-m/s✌

it HELP you if YES GIVE brainli

s a EXAMPLE. PLEASE LET .

te The answer is here Question Difference between Speed and velocity Answer .SPEED HAS ONLY MAGNITUDE AND NO DIRECTION WHEREAS VELOCITY HAS BOTH MAGNITUDE AND DIRECTION.2.SPEED IS ALWAYS POSITIVE(THAT IS NON - NEGATIVE AND NON-ZERO) WHEREAS VELOCITY IS EXACTLY THE OPPOSITE.3.SPEED IS SCALAR QUANTITY AND VELOCITY IS VECTOR QUANTITY.4.SPEED IS CALCULATED ON DISTANCE AND VELOCITY ON DISPLACEMENT.5.SPEED DOES NOT FOLLOW VECTOR LAWS OF ALGEBRA WHEREAS VELOCITY DOES.......hope this helps you

te The ANSWER is here ♢ The magnitude of the ANGULAR momentum is 0 at the origin POINT Answer = ZERO HOPE it helps

nd this question was answered by my PHYSICS PROFESSOR in my collegeCenter of mass is the point in the BODY or a system of particles where the mass of the WHOLE body seems to be concentrated. It is found by taking the WEIGHTED average position of the mass.A body can be balanced by applying a force through the center of gravity.Definition:Center of mass:- it is the weighted average position of mass in a body or a system of particles.Center of gravity:- It is the point in a body where the net torque due to gravitational forces is 0. Center of gravity is the point where the weight of the body acts

ce that RETARDS a sphere MOVING through a viscous fluid is directly ∝to the VELOCITY and the radius of the sphere, and the viscosity of the fluid.Stokes law is applicable only to LAMINAR flow of liquids.It is not applicable to turbulent law. ... As the velocity increases the retarding force ALSO increases

Borne Disease: Disease that results from an infection transmitted to HUMANS and other ANIMALS by blood-feeding anthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases INCLUDE Dengue fever, West Nile Virus, Lyme disease, and malaria.

a cloud thatappears near the ground or touchesthe ground. Mist is a thin FOG thatappears near the ground. Dew is deposit of water drops that is formed on COLD surfaces by condensation ofwater vapors in the air. ... There is alittle DIFFERENCE between fog and mist. I HOPE THIS HELP YOU .

he branch of PHYSICS that has to do with heat and temperature and their relation to energy and work. The behavior of these QUANTITIES is governed by the four laws of THERMODYNAMICS, IRRESPECTIVE of the composition or specific properties of the MATERIAL or system.

lli's LAW describes a relationship between FLUID leaving a hole in a CONTAINER and the height of the fluid in that container.

be defined as the ratio of the maximum FLUCTUATION of energy to the work DONE PER cycle.Mathematically, coefficient of fluctuation of energy,CE = Maximum fluctuation of energy / Work done per cycleThe work done per cycle (in N-m or joules) may be obtained by USING the following two

uddy❤❤❤▶The element with no of valence ELECTRONS= 7,, belongs to the HALOGEN FAMILY...and it's name is CHLORINE....It's position is in the 17TH group....and 3rd period...

ma hallsin CONFERENCE in spekers WHWN MIKE is CONNECTED

ng to English yes becausewhat we do is work but according to science work is if we MAKE an object move from one PLACE to ANOTHER mark as BRAINLIEST

le language.....It is the BRANCH of physics studying the quantum realm. Where all the LAWS of physics and MATH fails. A place of infinite possibilities. (WATCH Ant-Man)......Everything we knew doesn't apply there. Everything is smaller than you would expect. Smaller than atoms, electrons , quarks etc. Infinity is found there.... Hope you LIKE it..,

don't KNOW this

antages of S.I. are as under : ... (II) S.I. is RATIONAL, i.e., itgives one unit for one PHYSICAL quantity, e.g., for energy of any TYPE, i.e., MECHANICAL or heat or electrica

-2 is the GRAVITATIONAL ACCELERATION.

orce × DISPLACEMENT =20×2 =40 joules =40×10^7 ergas 1 JOULE =10^7 ergs

gree because a producer gives ENERGY to TOP CONSUMER and nothing energy is waste during FOOD web