Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which of the following represents a relation for 'heat lost = heat gained?
Principle of thermal equilibrium
Principle of colours
Principle of calorimetry
Principle of vaporization
Two metallic wires made from copper have the same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes
2R
R/2
(5/4) R
(3/4) R
When the sun is near the horizon during morning & evening, it appears reddish. This phenomenon occurs due to which of following?
Reflection of light
Refraction of light
Dispersion of light
Scattering of light
Match List-I with List-II and select the correct answer using the code given below the Lists:
List-I (Cloud) List-II (Characteristics)
A. Cirrus 1. Rain-giving
B. Stratus 2. Feathery Appearance
C. Nimbus 3. Vertically growing
D. Cumulus 4. Horizontally spreading.
A-3, B-1, C-4, D-2
A-2, B-1, C-4, D-3
A-2, B-4, C-1, D-3
A-3, B-4, C-1, D-2
Which one of the following is not an exclusive right of the concerned coastal nations over Exclusive Economic Zone (EEZ)?
Survey and exploitation of mineral resources of ocean deposits
Exploitation of marine water energy and marine organisms including fishing
Conservation and management of marine resources
Navigation of ships and laying down submarine cables