| Below are certain statements regarding Polaroid photography. Consider the statements which concur with such technology. |
| 1. It is photographic process, in which processing of exposed films takes place outside the camera. |
| 2. Print takes long time to get printed. |
| 3. It is based on diffusion transfer process. |
| 4. Polaroid is a commercial name and not of a technology. |
| Which of the statements given above are correct? |
A) 1 and 2
B) 3 and 4
C) 1 and 3
D) 1 and 4
Correct Answer: B
Solution :
[b] Processing of exposed films takes place inside the camera. Diffusion transfer process produce a film negative and positive point in one stage. Therefore, it reduces time and is printed within a minute only, chemicals are stored in tiny capsules, which burst as film is moved after exposure. Then, film passes through a pair of steel rollers in camera, which releases the developing chemicals, which convert exposed silver salts or negative layer into metallic silver, producing paint after emulsification.
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