Question 1

Sky appears to be blue because of:

Accepted Answer

The sky appears blue because of the scattering of sunlight by the molecules of the atmosphere. This scattering, known as Rayleigh scattering, is more effective at shorter wavelengths (the blue end of the visible spectrum). Hence, when sunlight passes through the atmosphere, the blue wavelengths are scattered more than the others, making the sky appear blue to an observer on the ground.

Question 2

Candle power is:

Accepted Answer

B

Question 3

An object which appears to be red to the eyes absorbs:

Accepted Answer

An object appears red because it absorbs other wavelengths of light (such as blue, violet, and green) and reflects or transmits the red wavelengths to the observer's eyes.

Question 4

. Which of the following colour has the wavelength between blue and yellow:

Accepted Answer

Green is the color that has a wavelength between blue and yellow in the visible spectrum.

Question 5

Which of the materials is most commonly used for the filaments in the incandescent lamps:

Accepted Answer

Tungsten is the most commonly used material for the filaments in incandescent lamps due to its high melting point and ability to withstand high temperatures without melting.

Question 6

The expected life of an incandescent lamp is about:

Accepted Answer

The expected life of an incandescent lamp is typically about 1000 hours. This is a general estimate, and actual lifespan can vary based on usage and quality of the lamp.

Question 7

'Camera' is actually a Latin word meaning

Accepted Answer

The word 'camera' originates from the Latin word 'camera obscura' which means 'dark chamber' or 'dark room.' Over time, it evolved to refer to the device we use today for capturing images, but the original Latin meaning is simply 'room.'

Question 8

The world's first photographic portrait studio was opened in

Accepted Answer

The world's first photographic portrait studio was opened in 1840 by Louis Daguerre in Paris, marking a significant milestone in the history of photography.

Question 9

The world's first all electric photographic studio was opened in

Accepted Answer

The world's first all electric photographic studio was opened in 1877 by Eadweard Muybridge in San Francisco, California.

Question 10

Incident light

Accepted Answer

Incident light refers to light that falls onto a subject from a source, before it is reflected, absorbed, or transmitted.

Question 11

Who coined the term 'photography'?

Accepted Answer

Sir John Herschel, a British scientist, is credited with coining the term "photography" in 1839, deriving it from the Greek words for light and drawing, meaning "drawing with light."

Question 12

What is a photon?

Accepted Answer

A photon is a particle of light energy, representing the quantum of electromagnetic radiation.

Question 13

What type of development process does Kodachrome need?

Accepted Answer

Kodachrome requires a subtractive development process, where dyes are subtracted from the film to create the final image.

Question 14

Your print needs 8 seconds at f5.6 (in a diffuser enlarger). You decide to use f11, what is your new exposure?

Accepted Answer

The answer of Your print needs 8 seconds at f5.6...

Question 15

What was Roger Fenton famous for?

Accepted Answer

Roger Fenton is famous for both his pioneering war photography, particularly during the Crimean War, and for being a founder of the Royal Photographic Society.

Question 16

When was the first proper flashbulb invented?

Accepted Answer

The answer of When was the first proper flashbulb invented?
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Question 17

What is a 'magic lantern'?

Accepted Answer

A 'magic lantern' is an early type of image projector that used painted images on transparent plates (slides), which were then projected onto a surface. It is considered a precursor to modern slide projectors.

Question 18

Your negative is very weak with very little shadow detail. Why?

Accepted Answer

Underexposure results in insufficient light hitting the film, leading to a lack of shadow detail. Underdevelopment means the film hasn't been processed long enough to fully develop even the limited light-exposed areas, compounding the problem and resulting in a very weak negative.

Question 19

What is 'posterization'?

Accepted Answer

Posterization is the process of converting a normal photograph or image into one with fewer colors, which creates a high-contrast image with distinct borders between the tones, essentially leading to extreme tone separation.

Question 20

David Seyour was the founder of which group?

Accepted Answer

David Seymour was one of the co-founders of Magnum Photos, an international photographic cooperative.

Quiz 3: Different Times of Day: Light, and Colour in Photography