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1 point9. THEOF the meanabsolute error in themeasurement of a PHYSICALQUANTITY to its most probablevalue is called relative error. *O A. SumO B. RatioO C. SQUAREO 1. Difference

tion:In industry, ultrasound is used in a wide RANGE of processes, such as cleaning, welding of plastics and METALS, cutting, forming, testing of materials, separating, MIXING, de-gassing, atomising, localising, measuring and many others. Ultrasound REFERS to sound in the range that is not audible for humans

Conditional sentences are sentences that EXPRESS one THING contingent on something else, e.g. "If it rains, the PICNIC will be cancelled". They are so called because the impact of the main CLAUSE of the sentence is conditional on the dependent clause.

ource TRUE. SOUND TRAVELS through metals or SOLIDS faster.

b.rises up with a CONSTANTE velocityPls MARK me as BRAINLIEST..

An object placed in front of a plane mirror appears to be at the same distance BEHIND the plane mirror.The distance of the object from the mirror surface = 2 m + 50 cm = 2m + 1/2m = 2.5m The man is 2 METRE away from the mirror . The distance between the eye of the PERSON and the IMAGE of the object formed in the mirror = (2+2.5) m = 4.5m. (Ans)

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r model shows the ATOM as a CENTRAL nucleus containing protons and neutrons with the electrons in circular orbitals at specific distances from the nucleus (Figure 1). These ORBITS form electron shells or energy levels, which are a WAY of VISUALIZING the number of electrons in the various shells.Aug 15, 2020

27.9/5^0.5 Km^-1Mark me as BRAINLIEST PLEASE

Because MECHANICAL waves rely on PARTICLE interaction in ORDER to transport their ENERGY, they cannot travel through regions of space that are void of PARTICLES. ... Sound is a mechanical wave and cannot travel through a vacuum.

The Ahom dynasty (1228–1826) ruled the Ahom kingdom in present-day Assam, India for nearly 598 years. The dynasty was established by Sukaphaa, a Shan prince of Mong Mao who came to Assam after crossing the PATKAI mountains. The rule of this dynasty ended with the BURMESE invasion of Assamand the subsequent annexation by the British East India Company following the Treaty of Yandabo in 1826.In external medieval chronicles the kings of this dynasty were called ASAM Raja, whereas the subjects of the kingdom called them Chaopha (Chao-ruler, Pha-heaven), or Swargadeo (the equivalent in ASSAMES

A. चीन के विद्यार्थीExplanation:व्याख्या : उपरोक्त में से चीन का विद्यार्थी मानव समूह के अन्तर्गत है अतः विकास के दृष्टिकोण से हमारी समानता चीन के विद्यार्थी से अधिक होगी जबकि अन्य तीन ( चिंपैंजी, मकड़ी एवं जीवाणु ) मानव समूह से भिन्नता रखते हैं अतः वैज्ञानिक दृष्टिकोण से वे हमसे असमान है ।HOPE IT'S HELP YOUPLEASE MARK me as a BRAINLIST !!THANKS,

during a thunderstorm the flash of lightning is seen and then the crack of THUNDER is HEARD it MAY help you

The PARTICLES of a GAS move QUICKLY and are able to spread apart from ONE another. - The particles of a liquid are able to move past each other. - The particles of a solid are not able to move out of their positions relative to one another, but do have small vibrational movements.Explanation:HopeithelpU

The positive sign for current corresponds to the DIRECTION a positive charge WOULD MOVE. In metal wires, current is carried by negatively CHARGED electrons, so the positive current arrow points in the opposite direction the electrons move.

e work: when force and displacement are in the same direction, the work performed on an object is SAID to be positive work. Example: When a body MOVES on the horizontal surface, force and displacement ACT in the forward path. ... Example: Work was done the gravity on a rocket GOING perpendicular upwards.HOPE IT HELPS U ✌✌..

Explanation:The eyeball itself has rotational INERTIA I.And as the eye moves in its socket it experiences a drag FORCE, due to the viscosity of the lubricant and connective tissue between the orbit and the socket.The extraocular MUSCLES are the six muscles that CONTROL movement of the eye and one muscle ... The muscles show little inertia - a shutdown of one muscle is not due to checking of the antagonist, so the motion is not ... When the eye is turned out (temporally) and HORIZONTALLY, the function of the lateral rectus muscle is tested.hope it helps

copper iron zinc LEAD chromium Cobalt EXPLANATION: these are present in nails and hair so the answer is iron copper thanks for asking MARK as brainliest HOPE it helps

Pendulum, body suspended from a fixed POINT so that it can SWING BACK and forth under the influence of gravity. Pendulums are used to regulate the movement of clocks because the interval of time for each complete oscillation, called the PERIOD, is constant.

The sounds of Crickets(INSECTS) MAKES us close our ears because, the frequency and pitch of their sound is high. The frequency of sounds of CRICKET is in ultrasonic range that is nearly 20,000hz. So, we are unable to HEAR the sound. so sounds of the crickets MAKE close our ears

Explanation: for a hemisphere, = total surface area is HALF of that of the SPHERE. the CHARGE Q is inside the sphere. So, by SYMMETRY, the total flux is EQUALLY distributed in the two hemispheres. So the flux through one hemisphere will be half of the total flux through the sphere.

Transverse waves occur when a disturbance causes oscillations perpendicular (at right ANGLES) to the propagation (the direction of energy transfer). LONGITUDINAL waves occur when the oscillations are PARALLEL to the direction of propagation. ... SOUND, for example, is a longitudinal wave.Explanation:option Alongitudinal waves

Explanation:Magnetic FIELDS exert forces on moving charges. This force is one of the most basic known. The direction of the magnetic force on a moving charge is PERPENDICULAR to the PLANE formed by v and B and FOLLOWS right hand RULE.

vitational ACCELERATION decreases with ALTITUDE, as shown by the solid line in FIGURE 1 (left). g is equal to 9.5 m/s2 at 100 km altitude, which is 9% larger than 8.7 m/s2. However, at 500 km altitude, g is close to 8.45 m/s2, which is close to 3% smaller than 8.7 m/s2.

option b is the right ANSWER from my POINT of VIEW.

d OPTION is correcthope it HELPS you BUDDY

Work is said to be done when force OS APPLIED. PLS MARK as brainlist ans

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As nouns the difference between thing and substanceis that thing is that which is considered to exist as a SEPARATE ENTITY, object, quality or concept while SUBSTANCE is physical MATTER; material.

it MUST be:the SPEED of LIGHT

(C) SphericalIn OPTICS, the Fraunhofer DIFFRACTION EQUATION is used to model the diffraction of waves when the diffraction pattern is viewed at a long DISTANCE from the diffracting object, and also when it is viewed at the focal plane of an imaging LENS.

ভাষায়,একটি পদার্থের চিহ্নযোগ্য অবস্থাকেই পদার্থের অবস্থা বলা হয়।আমরা আমাদের রোজকার জীবনে পদার্থের ৪ ধরনের অবস্থা দেখে থাকি: কঠিন,তরল, গ্যাসীয় এবং প্লাজমা। এছাড়াও আরো কিছু অবস্থা আছে, যা কেবলমাত্র চরম পরিস্থিতিতেই পাওয়া যায়। যেমন বোস আইনস্টাইন কনডেনসেট, নিউট্রন ডিজেনারেট ম্যাটার এবং কোয়ার্ক গ্লুওন প্লাজমা, যেগুলো যথাক্রমে চরম নিম্ন তাপমাত্রা, চরম ঘনত্ব এবং চরম উচ্চশক্তির কোল্ড চার্জড পদার্থের ক্ষেত্রেই দেখা যায়। আরো কিছু অবস্থা আছে বলে বিজ্ঞানীরা বিশ্বাস করেন, কিন্তু সেগুলো এখন পর্যন্ত তত্ত্বেই সীমাবদ্ধ আছে। পদার্থের সকল এক্সটিক অবস্থার সম্পূর্ন তালিকার জন্য পদার্থের অবস্থাসমূহের তালিকা দেখুন।পদার্থের এমন পৃথকীকরণ তাদের স্বধর্মের গুনগত পার্থক্যের উপর ভিক্তি করেই তৈরী করা হচ্ছে। কঠিন অবস্থায় পদার্থের একটি নির্দিষ্ট আকার ও আয়তন থাকে।পদার্থ গঠনকারী কণাগুলো (অণু, পরমাণু অথবা আয়ন) কাছাকাছি অবস্থান করে এবং একটি নির্দিষ্ট অবস্থানে থাকে।তরল অবস্থায় পদার্থের একটি নির্দিষ্ট আয়তন থাকে,কিন্তু আকার নির্দিষ্ট হয়না।এ কারণে এরা ধারণকারী পাত্রটির আকার ধারণ করতে পারে।এর গঠনকারী কণাগুলো কাছাকাছি থাকে কিন্তু মুক্তভাবে বিচরণ করতে পারে। গ্যাসীয় অবস্থায় পদার্থের কোন নির্দিষ্ট আকার ও আয়তন থাকেনা, আর সেজন্য এটি ধারক পাত্রের আকার ও আয়তন ধারণ করতে পারে।গঠনকারী কণাগুলো কাছাকাছিও থাকেনা, আবার একটি নির্দিষ্ট অবস্থানেও থাকেনা।প্লাজমা অবস্থায় পদার্থের নির্দিষ্ট আকার ও আয়তন থাকেনা কিন্তু চার্জবিহীন পরমাণুর মত এর নির্দিষ্ট পরিমান আয়ন আর ইলেকট্রন থাকে। এরা উভয়েই মুক্তভাবে বিচরণ করতে পারে।প্লাজমা দৃশ্য পদার্থগুলোর সবচেয়ে সাধারন রূপ।[১]