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because it have FRICTION

THE RAIN BOWEXPLANATION:the rainbow is one of the most BEAUTIFUL examples of dispersion phenomenon in our daily life.the rainbow is actually a natural spectrum of sunlight in the sky .the rainbow is found in the sky when the sun is shining and it is raining at the same time. we can see the rainbow if we stand with her back towards the sun and rain in front of us .a rainbow is always found in the direction opposite to that of the sun. a rainbow is produced by the dispersion of white sunlight by raindrops in the atmosphere .each raindrop acts as a tiny glass prism spreading the sunlight into spectrum . the raindrops and atmosphere act like many small prisms. as White sand that ENTERS and leaves these raindrops, the various colour dress PRESENT in white light a refracted by different amounts due to which an Arch of seven colours called the rainbow is formed in the sky . A free of white sun light enters the raindrop at a POINT undergoes refraction and dispersion to form a spectrum. this spectrum undergoes total internal reflection at another point within the raindrop and finally refracted out of the raindrop at the another 3RD. point. this spectrum reduced by the raindrops in the atmosphere is seen from the Earth. the red colour of the spectrum appears at the top of the rainbow whereas violet colour appears at its bottom. hope you understand the answerplease mark it as brainliest.

tion:In this case,if you increase the pressure on the ice,the ice-WATER SYSTEM wants to try to lower it again.It can do that by MAKING itself it into a smaller volume. But since water fills a smaller volume when its liquid,rather than SOLIDS,it will go to a lower melting point allowing more solid to become a liquid.

(B) 3/8Explanation:HOPE you have GOT it

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hiiiiyour answer is here !1. A semi-truck full of logs has a large mass and must slow down long before a stop LIGHT because even with a small velocity, it has a large momentum and is difficult to stop.2. A four-wheeler moving at a relatively FAST velocity has a smaller momentum than the semi-truck because of its small mass and will stop much faster.3. A bullet, although small in mass, has a large momentum because of an extremely large velocity.4. A 1000 kg car moving at 15 m/sec has a momentum of 15,000 kg•m/sec as a result of multiplying the mass and the velocity.5. A karate expert can generate enough speed with his fist that the momentum can carry through several bricks breaking them.6. Two football players of EQUAL mass are traveling towards each other, one is moving at 5 m/sec and the other at 8 m/sec. The one moving with the faster velocity has a greater momentum and will knock the other one backwards.follow me !

3:2Let specific HEATS of two LIQUIDS be Sa and SbThey have EQUAL mass

200Explanation:HOPE it will be HELPFUL for U...thanks❤❤

Hi there!The solar rays received from sun vobtains the seven colours of SPECTRUM. These lights of different colours refract at different angles due to the atmosphere. The red light refracts the least due to its long wavelength and it directly crosses the atmosphere without reaching the earth's SURFACE. The BLUE light is refracted to a HIGHER extent bh the atmosphere and reaches our eye. Thus, the sky appears blue to us.If this answer HELPED you, plz mark as brainliest!

10mExplanation:√(8 2 +6 2)=10√(10 2+10 2)=10

The RADIUS of CARVATURE is 16 cm.Explanation:We know, F=r/2Where f= focal length of a SPHERICAL mirrorand r= radius of carvature of that spherical mirrorHere, f is given as 8 cm.So, r=(f×2) =(8×2) =16 cm

inversion mean the apparent REVERSAL of the MIRROR images left in the right when compared with the objec lateral just mean sideway in a plane mirror each point on the image is as far BEHIND the mirror plane ad the CROSSPONDING point on the object in FRONT

ttering of light by particles in a medium, without a change in wavelength is called as Rayleigh Scattering. It accounts, for example, for the blue COLOUR of the sky, since blue light is scattered slightly more efficiently than red.Explanation:Rayleigh scattering refers to the scattering of light off of the molecules of the AIR, and can be extended to scattering from particles up to about a tenth of the wavelength of the light. It is Rayleigh scattering of the molecules of the air which gives us the blue sky.Rayleigh scattering can be considered to be elastic scattering since the photon energies of the scattered photons is not changed. Scattering in which the scattered photons have either a higher or lower photon energy is called Raman scattering. Usually, this kind of scattering INVOLVES exciting some VIBRATIONAL mode of the molecules, giving a lower scattered photon energy, or scattering off an excited vibrational state of a molecule which adds its vibrational energy to the incident photon.

the ANSWER is 6 YES or no

The FORCE of the CAR is 2000 NEWTON's

(4.) EXPLANATION:HOPE it will be helpful for U...THANKS ❤❤❤

question from NIOS textbook??Its the answer  if m not MISTAKEN..HOPE it HELPS ..( PLS mark it the brainliest if it was HELPFUL... )

because she is SPORTS PERSON who PLAY for COUNTRY.

3 significant digitsExplanation:The reason is that significant digits MEANS that the digits which have significant IMPORTANCE in a series of number. When ZERO is put before a number it makes no sense. For example as its GIVEN in the question Q) 0.00820If a zero is put after a number it makes sense and its counted to be a significant number.Thus there are three significant numbers

ṳ♭ᾰԻᾰк ❤using MALUS law,IA cos^2 30° = IB cos^2 60° 3IA / 4 = IB / 4 IA / IB = 1/ 3 .•♫•thanks •♫•.

graph between VELOCITY and time is linearly increasing if acceleration is positive and linearly decreasing if acceleration is negative..Graph between displacement and time is parabolicExplanation ,GIVEN INITIAL velocity is zero ,and we know acceleration is dv/dt =v/t,on integration we get v is directly proportional to t hence linear graph , similarly v =ds/dt=(slope of v-t graph)*t,on integration we get a power 2 EQUATION in t hence the graph is parabolic.

11.25mExplanation:

The SETS of points on the principal axis of a lens where the position of the OBJECT and the image canbe interchanged are called conjugate focitwo points so related to a lens or CONCAVE mirror that an image at one point is focused at the other, and vice versa.this penominon are called conjugate fociBy Newton formula Fsquare=(V-F)(U-F)Set of point on PRINCIPLE axis of concave mirror or a lens which can be INTERCHANGEABLE is state as conjugate focii 2

Action=-reaction Explanation:Lens MAKER formula is USED for FINDING the focal LENGTH of either concave or convex LENSES

Cladding is one or more LAYERS of MATERIALS of lower refractive index, in intimate contact with a core material of higher refractive index. It is used in optical fibers. The cladding causes light to be confined to the core of the fiber by total internal REFLECTION at the BOUNDARY between the TWO.

and Antistokes LINES OBSERVED in RAMAN scattering are due to the (C) inelastic scattering of light.Raman scattering is a PHENOMENON discovered by Indian physicist CV Raman. It involves the scattering of light when there is a transfer of vibrational energy from an excited higher state, to a lower energy state. It utilises the principle of inelastic collisions between particles- in this case, photons and particulate matter. STOKES and Antistokes lines are associated phenomena of Raman scattering.

Quantum mechanics, INCLUDING quantum FIELD THEORY, is a fundamental theory in PHYSICS which describes nature at the smallest scales of energy levels of atoms and SUBATOMIC particles. Classical physics, the physics existing before quantum mechanics, describes nature at ordinary scale.