Which of the following statements is NOT true? *         The non luminous flame is produced when the airhole is completely opened       The blue colored flame is produced when the airhole is closed       The luminous flame is produced when the airhole is closed       The blue colored flame is hotter than the yellow colored flame

Q: Question The following is a set of data showing the water temperature in a heated tub at different…

A: Solution: As given the set of data are 113.1, 112.3, 116.4 , 112.5, 114.8, 113.3, 112, 113.4 The…

Q: Which physicist first demonstrated that heat is a form of energy? ⦁    Amedeo Avogadro ⦁    Robert…

A: The answer is below

Q: A metal rod, 40.125 cm at 250C expands to 40.149 cm at 500C. Can you identify the metal? a)…

A: Given data The initial length of the rod is li = 40.125 cm. The final length of the rod is lf =…

Q: 8. A piece of lead has a mass of 9.2 kg. a. What is the volume of this piece of lead? b. The lead is…

A: Lead density, ρ = 11300 kg/m³Mass, m = 9.2 kg

Q: How is radiation used to gauge the thickness of paper?

A: The quality or thickness of paper is given by the grams per meter squared (gsm) of the paper. Higher…

Q: Problem 9 A diver 50 m deep in 10° C fresh water exhales a 1.0-cm-diameter bubble. What is the…

A:

Q: 7. Consider the following arrangement of identical light bulbs in a circuit. А C D E a) What are the…

A: A. A and B are in parallel so they both will have same potential difference and same brightness.…

Q: When heating a liquid in a test tube, the test tube should be more than two-thirds full, moved…

A: ques: When heating a liquid in a test tube, the test tube should be more than two-thirds full, moved…

Q: --are processes of light emission .A Absorption .B Spontaneous Emission .C Stimulated Emission .D…

A: Solution: We know that all materials are made of atoms and atoms has electrons those are revolving…

Q: Q.e 2 Why were the temperatures of an ice bath and a boiling water bath chosen for the calibration…

A: Because it is easier to work with ice bath and boiling water bath irrespective of altitude and…

Q: 3) Which type of surface would most likely be the best reflector of electromagnetic energy? A)…

A: Option -D is likely to be correct Light-colored and smooth surfaces are generally the best…

Q: Why is the roof of buildings painted white? a) Because it absorbs radiation b) Because it reflects…

A: Option

Q: Heat transfer by conduction occurs when? large numbers of atoms move from place to place particles…

A:

Q: The type of energy that relates to the periodic motion of atoms in a molecule relative to one…

A: Given:- The type of energy that relates to the periodic motion of atoms in a molecule relative to…

Q: If an object transistions from the phase liquid to solid, what will happen to the potential energy…

A:

Q: Heat is the energy transferred between bodies due to a temperature difference the specific heat of…

A: Required: The definition of Heat

Q: Experiment :LEE’S DISC I want the Analysis for this experiment

A: Experiment : LEE’S DISC The experiment is to determine the thermal conductivity of the bad…

Q: You are looking at 2 heated metal pieces. One looks red and the other looks green. Which one is…

A: For the visible spectrum frequency of different colors of light in increasing order is given by Red…

Q: Concerning the laser effect in tissue, vaporization occurs when the cell temperature reaches to * O…

A: The tissue heat up rapidly because of high absorption and high power of the laser.

Q: which of the following have the lowest velocity at 200 K helium hydrogen krypton radon

A: Velocity is inversely proportional to square root of molecular mass. And radon has highest molar…

Q: State Dulong and Petit's law and show how Einstein's model explains the departure from the law at…

A:

Q: A engineer has produced a new material. To determine its latent heat of vaporization in one…

A: the heat required to vaporize a material can be expressed as, Q=mLv

Q: Specific heat (J/kg-K) Solids Aluminum. 900 Brass 402 Copper Glass Gold Ice Iron Lead Nickel 377 840…

A:

Q: What’s the angle vector B=-4i+5j use the convection the angle is measured clockwise from the x axis

A:

Q: You observe a clear liquid heated in a stove, after some time. It started to boil completely. What…

A: As the continuous heat is supplied then Temperature of liquid keeps increasing and then it starts…

Q: Give reasons:

A: Given;  Give reasons:  a. When a teaspoon of sugar is added to half a glass of water and stirred…

Q: A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and…

A: When a piece of iron is heated in a flame it first becomes dull red then becomes reddish yellow and…

Q: S UV N³ N UV

A:

Q: 3. Radio waves travel at the speed of light, 3.0 x 108 m/s. Find the wavelength of a radio wave…

A: speed of light (s) = 3×108 m/s frequency (f) = 107 Hz

Q: at 10' hertz. 4. Sound waves sent by a whale travel with a speed of 900 m/s in water. A whale emits…

A:

Q: The thermal (heat) energy in an object (at a specific time) depends on: Group of answer choices the…

A:

Q: structions: What temperature is shown on the thermometer? 100°. 90° 80° 70° 60 50 40° 30% 20° 10° 0%

A: First, look into the scale of the thermometer. In the given question or diagram 100 is divided into…

Q: Heat energy of an object is   A) the average energy of the molecules of the object B) the total…

A: Heat energy or the thermal is produced as a result of the movement of tiny particles called atoms,…

Q: *The primary and secondary mirrors of a space telescope are assembled using zerodur spacers in an…

A:

Q: How much heat must be supplied to the engine per second?

A: Answer for  Part A : 616666 J/s Part B: 77699916 J  Explanation is in next step :

Q: 11) Two identical metal plates are painted, one matt whit black. These are placed at equal distances…

A: From Kirchoff's radiation law :- Ratio of emmissive power and absorptive power  of thermal radiation…

Q: student put a cap on a bottle, trapping room-temperature air inside. He put the bottle in the…

A: A student put a cap on a bottle, trapping room-temperature air inside. He put the bottle in the…

Q: An atomic line spectra of an unknown substance taken in the lab is shown to the right.

A: Given that:

Q: 2. * a. A surface at 27 °C emits radiation at a rate of 100 W. At what rate does an identical…

A:

Q: An increase in thermal energy leads to what? An increase in frictional forces on an object Ob A…

A: It is asked, "an increase in thermal energy leads to what"? Four options are given and we are…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.