Related Questions

Which colour is the complementary colour of yellow ?
A Blue
B Green
C Orange
D Red
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
A Dust
B Fire
C Colour
D Water
In raster-scan colour monitors, colour can be intensified by:
A grouping the phosphor dots in a circular pattern
B having each electron gun controlled by a composite signal
C using an in-line gun arrangement with a solid metal mesh
D having each electron gun controlled by separate signal
E None of the above
Which colour has the highest frequency?
A Violet
B Red
C Indigo
D Green
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
A Raman spectra
B Absorption spectra
C Emission spectra
D Fluorescence
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants)
A A
B N
C A+N
D A-N
If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to
A $${\text{A}}$$
B $$\frac{{\text{A}}}{2}$$
C $$\frac{{\text{A}}}{{\sqrt 2 }}$$
D $${\text{A}}\sqrt 2 $$
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are
A Always irreversible
B Insensitive to temperature changes
C Mostly irreversible
D Highly temperature sensitive
The highest grade of coal whose surface is shining and has the highest calorific value, is ________
A Anthracite
B Bituminous
C Lignite
D Peat
Read the following information and answer the questions giver below it: *Seven students P,Q,R,S,T,U and V take a series of tests. *No two students get similar marks. *V always scores more than P. *P always scores more than Q. *Each time either R scores the highest and T gets the lest, or alternatively S scores the highest and U or Q scores the least. If S is ranked sixth and Q is ranked fifth, which of the following can be true ?
A V is ranked first or fourth
B R is ranked second or third
C R is ranked second or fifth
D V is ranked third or fourth

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