General Awareness

Color Theory and Symbolism

1,945 Questions

Color theory and symbolism examine primary, secondary, and tertiary colors, alongside their psychological and cultural meanings. Questions also cover color spaces, photography, and optical properties. This specialized topic appears in design, architecture, and general intelligence sections of various competitive exams.

Primary and secondary colorsColor spaces and modelsCultural color symbolismChemical compound colorsOptical color properties

Color Theory and Symbolism Questions

Multiple choice physics electric current through conductors carbon resistance and colour codes for carbon resistance carbon resistors and their colour coding resistors

The color coding of  earth, live and neutral wire respectively is

  1. Green, Red, black

  2. Red, Green, Black

  3. Red, Black, Green

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The electric power line enters our house through three wires- namely the live wire, the neutral wire and the earth wire. To avoid confusion we follow a colour code for insulating these wires. The red wire is the live wire, and the black wire is neutral. The earth wire is given green plastic insulation.
The colour coding of wires is green for earth red for live and black for neutral.

Multiple choice physics electric current through conductors carbon resistance and colour codes for carbon resistance carbon resistors and their colour coding resistors

According to international convention of colour coding in a wire

  1. Live is red, neutral is yellow and earth is green

  2. Live is red, neutral is green and earth is black

  3. Live is brown, neutral is blue and earth is black

  4. Live is red, neutral is black and earth is green
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

According to international color coding system in Old colors red is live ( or phase) black is neutral, green/ yellow is earth 
and in New colors brown is live, blue is neutral and green/ yellow is earth.

Multiple choice physics light and shadow substances which allow light to pass through and those which do not transparent, opaque and translucent objects shadows

Name the body which absorbs all colours.

  1. Black

  2. White

  3. Red

  4. Yellow
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Black objects absorb all colours so no light is reflected.

Black really isn't a color. Its the absence of colour. Colours have the colour they do because the named colour is the light colour that they reflect. In other words a red item reflects red light and absorbs all other colours. A blue coloured item reflects blue and absorbs all other colours except blue. So when an item is said to be black, it reflects no colour: therefore all colours are absorbed.

Multiple choice physics light and shadow substances which allow light to pass through and those which do not transparent, opaque and translucent objects shadows

An object looks red when seen through a piece of red glass. What is the actual colour of the object ?

  1. Red

  2. White

  3. Red or green

  4. Black
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An object looks red when seen through apiece of red glass, hence the color of object is red as it doesn't matter what color the glass is as the refractive index of the medium is constant, hence the object will look of its original color.

Multiple choice physics light and shadow substances which allow light to pass through and those which do not transparent, opaque and translucent objects shadows

A cyan colour light ray is passed through a blue filter. What is the colour of the light which comes out through the filter?

  1. Green

  2. Cyan

  3. Yellow

  4. Blue
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The color of light coming through a filter is specific to the filter.for example blue filter will allow only blue rays to pass through it.

Multiple choice physics light and shadow substances which allow light to pass through and those which do not transparent, opaque and translucent objects shadows

What is the colour of a green leaf, when white light passing through a yellow filter is incident on it?

  1. Black

  2. Blue

  3. Yellow

  4. Green
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Color of an object visible to us is independent of the color of light incident on it. Hence a green leaf will look green even if yellow light is incident on it.

Multiple choice chemistry group 17 group 17 - physical properties physical properties of group 17 elements group 17 elements: the halogen family

The colour of iodine is:

  1. violet

  2. green

  3. white

  4. brown
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Iodine has atomic number 53 belonging to group 17. The name is from Greek meaning violet or purple due to the colour of elemental iodine vapour. It is a bluish-black solid with a metallic lustre sublimating into violet-pink gas and colour is due to absorption of visible light by an electronic transition between highest and lowest molecular orbitals.

Multiple choice social studies cooperatives and consumer empowerment understanding advertising media and advertisement advertisements

Which coloured mark denotes vegetarian edibles?

  1. Red

  2. Blue

  3. Green

  4. Black
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In India, it is mandatory for all food manufacturers to indicate as to whether the food item contains any non-vegetarian ingredients or not. To enable the consumer to know whether any packaged food is vegetarian or non-vegetarian, this will be indicated in the form of a brown circle in square or green circle in a square on the package. A brown circle is used to indicate the presence of non-vegetarian ingredients in the food item, while a green circle indicates that the food item is vegetarian. The green circle and brown circle in a square are indicated as veg & non-veg logos respectively.

Multiple choice evs excretion in living organisms other systems in the body excretory system in human human excretory organs

The liver is

  1. A reddish brown

  2. A reddish

  3. A brown

  4. Cream coloured
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The liver is a large, meaty organ that sits on the right side of the belly. Weighing about 3 pounds, the liver is reddish-brown in color and feels rubbery to the touch. The liver has two large sections, called as the right and the left lobes. The gallbladder sits under the liver, along with parts of the pancreas and intestines. The liver and these organs work together to digest, absorb, and process food. 

So, the correct answer is option A.

Multiple choice civics road safety rules and regulations road safety education general awareness road safety

What are the colours of road marking?

  1. White

  2. Yellow

  3. Alternate Black & White

  4. All above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Specific colours are used for road markings-
I) White for all carriageway makings except for parking restrictions.
II) Yellow for parking restrictions and continuous centre or barrier line.
III) Alternate Black & White for kerb and object makings.