Science Quiz 16

Statement-I: India, despite having Uranium deposits, depends on coal for most of its electricity production. 

Statement-II: Uranium, enriched to the extent of at least 60%, is required for the production of electricity. 

Which of the following is correct in respect of the above statements?

(1) Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps. 

(2) As street-lights, sodium lamps have a longer lifespan than LED lamps. 

(3) The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street-lighting. 

Select the correct answer using the code given below.

(1) Area of the hole in the lid 

(2) Temperature of the flame 

(3) Weight of the lid 

Select the correct answer using the code given below.