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
The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to
A Reduce the spurious frequency problem
B Increase the frequency stability of the synthesizer
C Reduce the number of decades
D Reduce the number of crystals required
Which colour has the highest energy?
A Violet
B Red
C Blue
D White
The highest grade of coal whose surface is shining and has the highest calorific value, is ________
A Anthracite
B Bituminous
C Lignite
D Peat
Which of the following has the highest frequency?
A Cosmic rays
B X-rays
C Radio waves
D Microwaves
নিচের কোন তড়িৎ চৌম্বকীয় তরঙ্গের কম্পাঙ্ক সর্বোচ্চ? (Which one of the following electromagnetic waves has the highest frequency?)
A এক্সরে রশ্মি (X-ray)
B গামা রশ্মি (Gamma ray)
C অতিবেগুনি রশ্মি (Ultraviolet ray)
D অবলোহিত রশ্মি (Infrared ray)
A simple spring-mass vibrating system has a natural frequency of $${{\text{f}}_{\text{n}}}.$$ If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
A $$\frac{{{{\text{f}}_{\text{n}}}}}{2}$$
B $$2{{\text{f}}_{\text{n}}}$$
C $$4{{\text{f}}_{\text{n}}}$$
D $$8{{\text{f}}_{\text{n}}}$$
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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