Molecular spectra is an example of
a) continuous spectra b) discrete spectra c) band spectra d) atomic spectra

1 Answer

Answer :

c) band spectra

Related questions

Description : Atomic Spectra is an example of a) discrete spectra b) band spectra c) atomic spectra d) continuous spectra

Last Answer : a) discrete spectra

Description : Black body radiation spectrum is an example of a) band spectra b) continuous spectra c) discrete spectra d) atomic spectra

Last Answer : b) continuous spectra

Description : To develop the correct mathematical description of the distribution of radiated energy of a blackbody with respect to wavelength for a given temperature, Planck found it necessary to assume that the molecular ... units or quanta y) radiant energy in a continuous form z) none of the above.

Last Answer : ANSWER: X -- RADIANT ENERGY IN DISCRETE UNITS OR QUANTA

Description : How are atomic emission spectra used to identify elements?

Last Answer : Atomic emission spectra are chracteristic for each element.

Description : The atomic spectra of hydrogen are explained by (a) Rutherford's model of the atom (b) Hund's rule of maximum multiplicity (c) Pauli's exclusion principle (d) Bohr's theory

Last Answer : Ans:(d)

Description : X-rays that are emitted in all directions and with a continuous range of frequencies are known as a) characteristic X-rays b) continuous X-rays c) scattered X-rays d) stimulated X-rays.

Last Answer : b) continuous X-rays

Description : The X-rays emitted in inner shell transitions are called _____ as their energy depends upon the type of target material. a) gamma rays b) special X-rays c) Characteristic X-rays d) continuous X-rays

Last Answer : c) Characteristic X-rays

Description : The continuous X-ray spectrum is obtained due to the effect called a) Braking radiation b) Bremsstrahlung c) both a & b d) none of a & b

Last Answer : b) Bremsstrahlung

Description : 9. Write notes on:(a) Continuous series(b) Discrete series(c) Individual series

Last Answer : 9. Write notes on: (a) Continuous series (b) Discrete series (c) Individual series

Description : What is meant by probability density function? a) Probability distributions b) Continuous variable c) Discrete variable d) Probability distributions for Continuous variables

Last Answer : d) Probability distributions for Continuous variables

Description : Which variable cannot be written in entire distribution as a table? a) Discrete b) Continuous c) Both Discrete & Continuous d) None of the mentioned

Last Answer : b) Continuous

Description : A Hybrid Bayesian network contains ___________ a) Both discrete and continuous variables b) Only Discrete variables c) Only Discontinuous variable

Last Answer : a) Both discrete and continuous variables

Description : A sine wave is ______ A) periodic and continuous B) aperiodicand continuous C) periodicand discrete D) aperiodicand discrete

Last Answer : periodic and continuous

Description : Mathematically, the functions in Green’s theorem will be a) Continuous derivatives b) Discrete derivatives c) Continuous partial derivatives d) Discrete partial derivatives

Last Answer : c) Continuous partial derivatives

Description : Define discrete and continuous variable.

Last Answer : Ans: A variable which can assume only some specific values within a given range is called discrete variable. For e.g. Number of students in a class, Number of houses in a street, number of children in a family etc. ... at a place, income of a person, height of a plant, a life time of a T.V tube etc.

Description : Using ______ARQ, a sending modem must wait for a return ACK for each sent block before sending the next block. (A) discrete (B) efficient (C) continuous (D) delivered

Last Answer : (A) discrete

Description : Distinguish between continuous valued and discrete valued signals

Last Answer : If a signal takes on all possible values on a finite or an infinite range, it is said to be continuous valued signal. If a signal takes on values from a finite set of possible values, it is said to be discrete-valued signal.

Description : Membership function defines the fuzziness in a fuzzy set irrespective of the elements in the set, which are discrete or continuous. A. True B. False

Last Answer : B. False

Description : What is meant by probability density function? a) Probability distributions b) Continuous variable c) Discrete variable d) Probability distributions for Continuous variables

Last Answer : d) Probability distributions for Continuous variables

Description : A Hybrid Bayesian network contains  Both discrete and continuous variables  Only Discontinuous variable  Both Discrete and Discontinuous variable  Continous variable only.

Last Answer :  Both Discrete and Discontinuous variable

Description : When a solid material is heated, it always: w) emits a discrete radiation spectrum x) glows red y) emits a continuous radiation spectrum z) emits only visible radiation

Last Answer : ANSWER: Y -- EMITS A CONTINUOUS RADIATION SPECTRUM

Description : When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: w) discontinuous x) abrupt y) quantized z) noncontinuous

Last Answer : ANSWER: Y -- QUANTIZED

Description : Superficially the term object-oriented , means that, we organize software as a (A) collection of continuous objects that incorporates both data structure and behaviour. (B) collection of ... and behaviour. (D) collection of objects that incorporates both discrete data structure and behaviour.

Last Answer : (C) collection of discrete objects that incorporates both data structure and behaviour.

Description : The band above the valance band is called: a) Conduction band b) Filled band c) Forbidden band d) occupied band

Last Answer : a) Conduction band

Description : An atomic energy state in which more atoms are in the lower energy state E1 than in the excited state E2, is known as a) population inversion b) normal population c) stimulated population d) atomic population

Last Answer : b) normal population

Description : CAT is the abbreviation of a) computerized axial topology b) computerized atomic topology c) computerized axial tomography d) computerized atomic tomography

Last Answer : c) computerized axial tomography

Description : In order to obtain spectrum from the emitted radiation, the atomic gas or vapour must be excited at a) much less than atmospheric pressure b) much high than atmospheric pressure c) atmospheric pressure d) high pressure and temperature

Last Answer : a) much less than atmospheric pressure

Description : Covalent network crystals have-------? A. higher melting point then molecular crystals (Answer) B. lower melting point then molecular crystals C. discrete molecules linked by Van der waals forces D. hydrogen bonding

Last Answer : A. higher melting point then molecular crystals (Answer)

Description : What transmitter component allows the radiation of a large number of discrete frequencies over a wide band?

Last Answer : . Frequency synthesizer.

Description : Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer

Last Answer : (i) Active transducer:-Thermocouple, piezoelectric, photovoltaic cell (ii) Primary transducer:- Bourdon tube, bellows, (iii) Electrical transducer.:- LVDT,RVDT, Hall effect, strain gauge, ... , optical pyrometer, radiation pyrometer (iv) Digital transducer:- Linear Encoder, digital taco generator

Description : Are the old Bantam Spectra editions of the A Song of Ice and Fire books out of print?

Last Answer : answer:This happens often with long series, especially if there is a long gap between releases. The publisher wants the new releases to appear fresh , and they don't particularly care if the later jackets ... If you're not in NA, they might have a different look, depending on which country it is.

Description : How can I change the code or enter a new code on the alarm systems mentioned in the address?

Last Answer : For Paradox Spectra control panels, the code must be changed, added or deleted as follows: [img alt_text = 'Paradox Spectra code change' description = ''] https:///wp-content/uploads/2017/06 /paradox-sp-kod.png[/img]   

Description : What are all properties of the stars that can measured from their spectra and light curves?

Last Answer : Need answer

Description : Why are no two emission spectra for different elements ever the same?

Last Answer : Because emission spectrum are the result of the electronconfiguration of the element and no two elements have exactly thesame electron configuration.

Description : Has the Kia Spectra won any awards?

Last Answer : Yees,the Kia Spectra has received awards from both Consumers Digest,and Consumer reports.Both of these organaiations have given the Kia Spectra top honors.

Description : How do you replace the rear struts on a kia spectra?

Last Answer : With tools.

Description : Select the correct statement: (1) Lenticel is the exit route for transpiration (2) The action spectra of transpiration is blue and red (3) Transpiration helps the plant to remain cool (4) Transpiration can be measured by photometer

Last Answer : Ans. ((c))

Description : When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy state, they emit light, which we can observe in - (1) Raman spectra (2) Absorption spectra (3) Emission spectra (4) Fluorescence

Last Answer : (3) Emission spectra Explanation: When a metal atom is strongly heated, its electrons absorb the heat energy and jump to a higher energy level. When the electron returns to its original position it ... to the energy the electron has released at each stage °fits fall back to its original state.

Description : Which one of the following is responsible for the working of New-ton's colour disc experiment? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Last Answer : (3) Persistence of vision Explanation: A Newton Disc can be created by painting a disc with the seven different colours. A combination of red, green and blue in the circular disc will yield the same result. This is due to the phenomenon called persistence of vision.

Description : Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be - (1) 2 (2) 6 (3) 5 (4) 3

Last Answer : (2) 6 Explanation: Number of spectral lines from a state n to ground state is = n (n-1)/2 =4(4-1)/2 =12/2 =6

Description : When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in (1) Raman spectra (2) Absorption spectra (3) Emission spectra (4) Fluorescence

Last Answer : Emission spectra

Description : Which one of the following is responsible for the working of Newton’s colour disc experiment ? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Last Answer : Persistence of vision

Description : surface tension is an atomic/molecular property of -Science

Last Answer : answer:

Description : What Molecular orbital interactions are not possible because the atomic orbitals have overlapping electron densities.?

Last Answer : Need answer

Description : What is typically transferred during atomic and molecular collisions?

Last Answer : Energy.

Description : Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia? (1) 18 (2) 17 (3) 16 (4) 15

Last Answer : (2) 17 Explanation: Ammonia (NH3) is composed of one atom of Nitrogen and three Hydrogen atoms. This means that its molar mass of ammonia will be the sum of the molar mass of one nitrogen atom and three times the molar mass of a hydrogen atom.

Description : Distinguish between atomic orbital and molecular orbital.

Last Answer : Ans An atomic orbital is monocentric while a molecular orbital is polycentric.

Description : Biological organisation starts with (a) cellular level (b) organismic level (c) atomic level (d) submicroscopic molecular level.

Last Answer : (b) organismic level

Description : The rate at which a chemical substance reacts is proportional to its (A) Active mass (B) Molecular weight (C) Equivalent weight (D) Atomic weigh

Last Answer : (A) Active mass

Description : The sum of the mass numbers of the atoms in a molecule equals the ______, which is measured in units called _______. a. Atomic Number; Milligrams b. Mass Weight; Micrograms c. Chemical Weight; Moles d. Molecular Weight; Daltons

Last Answer : d. Molecular Weight; Daltons