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 : A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision
Last Answer : (3) Distinguish between certain colours Explanation: Colour blindness or colour vision deficiency is the inability or decreased ability to see coluor, or perceive colour differences, under normal lighting ... to the optic nerve. This type of colour blindness is usually a sex-linked condition.
Description : A colour-blind person cannot (1) see distant objects (2) see black colour (3) distinguish between certain colours (4) have persistence of vision
Last Answer : distinguish between certain colours
Description : Persistence of vision is the Principle behind: (1) Binocular (2) Cinema (3) Periscope (4) Camera
Last Answer : (2) Cinema Explanation: Persistence of vision is the phenomenon of the eye by which an afterimage is thought to persist for approximately one twenty-fifth of a second on the retina. In the early days of ... rate of less than 16 frames per second (frame/s) caused the mind to see flashing images.
Description : Is bromine a compound impure substance mixture or a pure substance?
Last Answer : Need answer
Description : Intrinsic Semi-conductor is also known as-----? A. Impure-Conductor B. Pure-Conductor (Answer) C. Simple Conductor D. None of these
Last Answer : B. Pure-Conductor (Answer)
Description : A ______ is the one in which the player selects more than one strategy with fixed probabilities before playing the game. a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy
Last Answer : d. Impure strategy
Description : A _______ provides a complete definition of how a player will play a game a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy
Last Answer : c. Complete strategy
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 : Which colour is the complementary colour of yellow? (1) Blue (2) Green (3) Orange (4) Red
Last Answer : (1) Blue Explanation: Complementary colours are pairs of colours that are of "opposite" hue in some colour model. In colour theory, two colours are called complementary if, when mixed in the proper ... -perceptual colour models, the neutral colours (white, grey, and black) lie along a central axis.
Description : Which colour is the complementary colour of yellow ? (1) Blue (2) Green (3) Orange (4) Red
Last Answer : Blue
Description : In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1 generation all pink flowers were obtained. When pink flowers were selfed, the F2 generation showed white, red and pink flowers. Choose the incorrect ... F2 is 1 4 2 4 1 4 ( ) red p : ( ink w ) : ( ) hite .
Last Answer : (a) Law of segregation does not apply in this experiment.
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 : Working principle of dead weight pressure gauge tester is based on (A) Pascal's law (B) Dalton's law of partial pressure (C) Newton's law of viscosity (D) Avogadro's hypothesis
Last Answer : Answer: Option A
Description : Rocket works on the principle of – (1) Newton's Third Law (2) Newton's First Law (3) Newton's Second Law (4) Archimedes Principle
Last Answer : (1) Newton's Third Law Explanation: The modern science of spaceflight and rockets rest on Newton's Three Laws of Motion, a set of ideas and equations developed in the 1600s. In particular, ... engines point rearward. The action of the engine thrust produces a reaction on the rocket, accelerating it.
Description : That an Iron ship floats in water but an Iron ball sinks, is an example of - (1) Newton's second law (2) Pascal's law (3) Archimedes Principle (4) Dalton's law
Last Answer : (3) Archimedes Principle Explanation: The floating of an iron ship in water is an example of Archimedes principle. Archimedes' principle states that an object floats on water if the weight of the water ... . Since the average density of the ship as a whole is less than the density of water.
Description : Hydraulic machines work under the principle of – (1) Newton’s law (2) Joule law (3) Pascal’s law (4) Floatation law
Last Answer : (3) Pascal’s law Explanation: Hydraulic machines work under the principal of Pascal’s law which states that the pressure in a static hydraulic fluid in a closed system is same everywhere.
Description : If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states that? (1) Newton’s first law (2) Newton’s Second Law (3) Newton’s Third Law (4) Principle of conservation of linear momentum
Last Answer : (4) Principle of conservation of linear momentum Explanation: Conservation of linear momentum. The principle that the linear momentum of a system has constant magnitude and direction if the system is subjected to no external force. Also called law of conservation of linear momentum
Description : Hydraulic brakes work on the principle of – (1) Thomson's law (2) Newton's law (3) Bernoulli's theorem (4) PascaQl's law
Last Answer : (4) Pascal's law Explanation: Hydraulic brake works on Pascal's law which states that pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid such that the pressure variations remain the same.
Description : 'Hydraulic brakes' work on the principle of – (1) Pascal's law (2) Thomson's law (3) Newton's law (4) Bernoulli's theorem
Last Answer : (1) Pascal's law Explanation: Pascal's law states that when there is an increase in pressure at any point in a confined fluid, there is an equal increase at every other point in the container ... a pressure exerted on a piston produces an equal increase in pressure on another piston in the system.
Description : Rocket works on the principle of (1) Newton's Third Law (2) Newton's First Law (3) Newton's Second Law (4) Archimedes Principle
Last Answer : Newton's Third Law
Description : Hydraulic machines work under the Principle of : (1) Newton’s Law (2) Joules Law (3) Pascal’s Law (4) Floatation Law
Last Answer : Pascal’s Law
Description : ‘Hydraulic brakes’ work on the principle of (1) Pascal’s law (2) Thomson’s law (3) Newton’s law (4) Bernoulli’s theorem
Last Answer : Pascal’s law
Description : In Newton’s rings experiment, if we reduce the radius of curvature of Plano Convex lens to zero, what will be effect on Newton’s rings? (a)They will become more bright (b)They will become more dark ( c)They will disappear (d) They will be more dense
Last Answer : ( c)They will disappear
Description : Newton's rings experiment is performed and radius (or diameter) is calculated. Now Plano-convex lens is replaced with another Plano-convex lens of greater Radius of curvature. What will be effect on radius ( ... ) will increase (c) Radius (or diameter) will decrease (d) There will be no effect
Last Answer : (b) Radius (or diameter) will increase
Description : Newton's rings experiment is performed with air gap between lens and plate. Now that gap is filled with water. What will be effect on radius (or diameter)? (a) Radius (or diameter) will remain ... or diameter) will increase (c) Radius (or diameter) will decrease (d) There will be no effect
Last Answer : (c) Radius (or diameter) will decrease
Description : In Newton's rings experiment, if monochromatic source of light is replaced by another monochromatic source of higher wavelength. What will be the effect on radius (or diameter)? (a) Radius (or ... be no effect (d) Radius (or diameter) will remain constant but there will be more brightness
Description : In Newton’s rings experiment, if we reduce the radius of curvature of Plano convex lens to zero, what will be effect on Newton’s rings? A. They will become brighter B. They will become darker C. They will disappear D. They will be more dense
Last Answer : C. They will disappear
Description : In Newton's ring experiment, the diameter of the 15 th ring was found to be 0.590 and that of the 5 th ring was 0.336 cm. If the radius of Plano convex lens is 100 cm, compute the wavelength of light used. A. 5885 A 0 B. 5880 A o C. 5890 A o D.5850 A
Last Answer : B. 5880 A o
Description : Extended source is needed in A. Young's double slit experiment B. Bi prism Experiment C. Newton’s Ring Experiment D. None of them
Last Answer : C. Newton’s Ring Experiment
Description : What are the 5 uses of newtons disc?
Description : Persistance of vision is the principle behind – (1) Camera (2) Spectroscope (3) Cinema (4) Periscope
Last Answer : (3) Cinema Explanation: Persistence of vision is the phenomenon of the eye by which an afterimage is thought to persist for approximately one twenty-fifth of a second \ on the retina. Persistence of vision is still the accepted term for this phenomenon in the realm of cinema history and theory.
Description : Persistance of vision is the principle behind (1) Camera (2) Spectroscope (3) Cinema (4) Periscope
Last Answer : Cinema
Description : What is a complementary colour?
Last Answer : Pairs of colours which , when combined or mixed, cancel each other out by producing a grayscale color like white or black.
Description : Fruit colour in squash is an example of (a) recessive epistasis (b) dominant epistasis (c) complementary genes (d) inhibitory genes.
Last Answer : (a) recessive epistasis
Description : Papilloedema has all the following characteristics except: a. Marked loss of vision b. Blurring of disc margins c. Hyperemia of disc d. Field defect
Last Answer : ANSWER: A
Description : Which is not found in papilloedema? a. Blurred vision b. Blurred margins of disc c. Cupping of disc d. Retinal edema
Last Answer : ANSWER: C
Description : A male patient 30 years old with visual acuity of 6/6 in both eyes. Twelve hours ago he presented with drop of vision of the left eye. On examination, visual acuity was 6/6 in the ... : a. Raised intra cranial pressure b. Raised ocular tension c. Central retinal artery occlusion d. Optic neuritis
Last Answer : ANSWER: D
Description : What concept or principle requires layered complementary controls sufficient to detect and deter infiltration and exploitation of an organization its information systems and its facilities?
Last Answer : The security indepth concept
Description : What is it about the concept of a deity that causes its persistence?
Last Answer : I see mainly two reasons 1) If a deity exists - and we don't know that - it would solve the paradox of existence (Einstein's deism) 2) If a deity doesn't exist - and we don't know ... on number 2 is Stephen Baxter's novel Evolution . There also seems some new neurobiological evidence for number 2.
Description : How did J K Rowling showed persistence to achieve something remarkable?
Last Answer : Feel Free to Answer
Description : Using A Temp Agency Requires Persistence?
Last Answer : Now that many people are having a really difficult time finding gainful full time employment, many are turning to temp agencies in order to keep money coming in. There are number of ... If these menial tasks are executed conscientiously, agency staff will likely offer better jobs relatively soon.
Description : What is meant by persistence actions? a) Allow a literal to remain false b) Allow a literal to remain true c) Allow a literal to remain false & true d) None of the mentioned
Last Answer : b) Allow a literal to remain true
Description : ....................... is the key to .................. A) Serialization, persistence B) Persistence, inheritance C) Inheritance, object D) Persistence, serialization
Last Answer : A) Serialization, persistence
Description : ....................is the key to ........................ A) Serialization, persistence B) Persistence, inheritance C) Inheritance, object D) Persistence, serialization
Last Answer : C) Inheritance, object
Description : Persistence herbicides pose hazard in soil when a). High persistence herbicides are used b). Crop failure necessitate re-planting c). Susceptible crop follows a short crop d). All
Last Answer : d). All
Description : Struggle for survival and existence is called a). Critical period b). Competition c). Dormancy d). Persistence
Last Answer : b). Competition
Description : What three words define motivation? (a) Persistence, fairness, ambition ; (b) Ambition, direction, intensity (c) Desire, persistence, fairness ; (d) Intensity, direction, persistence
Last Answer : (d) Intensity, direction, persistence
Description : Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) ... which are focussed into a narrow beam directed at the face of CRT. (4) All of the above.
Last Answer : All of the above.
Description : When a color blind man marries a woman pure for normal color vision, it is probable that one of the following situations may result. Is it probable that a) all the children will be color blind b) ... will be color blind c) only the sons will be colorblind d) half the grandsons will be color blind
Last Answer : ANSWER: D -- HALF THE GRANDSONS WILL BE COLOR BLIND