3836: The rainbow and the rainbow-like colours seen on a thin film of oil on a water surface are two phenomena. They are
(a) Similar in nature and both are due to refraction of light
(b) Different in nature and rainbow is due to interference of light, while colour of thin film is due to diffraction
(c) Similar in nature and both are due to interference of light
(d) Different in nature and rainbow is due to refraction, while colour of thin film is due to interference of light
3837: What is/are the recent policy initiative(s) of Government of India to promote the growth of manufacturing sector?

1. Setting up of National Investment and Manufacturing Zones

2. Providing the benefit of 'single window clearance'

3. Establishing the Technology Acquisition and Development Fund

Select the correct answer using the codes given below :

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3838: Rolling Plan can be best defined in context of India as:

(a) Formulation of annual plans

(b) Perspective of Five-Year Plan with the provision of extending by one year at a time so that there would be a constant planning horizon of five years

(c) Aims and achievements reviewed every year in a Five-Year Plan

(d) Plan for full 5 years
3839: The national motto of India, Satyameva Jayate inscribed below the Emblem of India is taken from

(a) Katha Upanishad
(b) Chandogya Upanishad
(c) Aitareya Upanishad
(d) Mundaka Upanishad
3840: Solve the given equations :
x2 + y2 = 34
x4 - y4 = 544
The values of x and y are
(a) ± 4, ± 3
(b) ± 5, ± 3
(c) ±3, ±5
(d) ±3, ±4