Indiscriminate disposal of used fluorescent electric lamps causes mercury pollut

Question

Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environment. Why is mercury uses in the manufacture of these lamps?

Options:

A . A mercury coating on the inside of the lamp makes the light bright white

B . When the lamp is switched on, the mercury in the lamp causes the emission of ultra-violet radiations

C . When the lamp is switched on, it is the mercury which converts the ultra-violet energy into visible light

D . None of the statements given above is correct about the use of mercury in the manufacture of fluorescent lamps

Answer: Option B
:
B
Option:(b)

Was this answer helpful ?

Next Question

Submit Solution

More Questions on This Topic :

Question 1. When the same note is played on a sitar and a flute, the sound produced can be distinguished from each other because of ....be distinguished from each other because of the difference in

Question 2. The technique used to transmit audio signals in television broadcasts is....

Question 3. When a mirror is rotated by an angle θ, the reflected ray will rotate by....

Question 4. An air bubble in water will act like a....

Question 5. A parachutist jumps from a height of 5000 m. The relationship between his falling speed, v and the distance fallen throu....and the distance fallen through, d is best represented as

Question 6. Match List I (Quantity) with List II (Units) and select the correct answer using the codes given below the lists....

Question 7. Cryogenic engines find applications in....

Question 8. Assertion (A): Radio waves bend in a magnetic field.Reason (R): Radio waves are electromagnetic in nature. Codes....

Question 9. Assertion (A): In a motion picture, usually 24 frames are projected every second over the whole length of the film.Reaso....persists for about 0.1s after the removal of stimulus. Codes

Question 10. Assertion (A) : A man standing on a completely frictionless surface can propel himself by whistling.Reason (R) : If no e....force acts on a system, its momentum cannot change. Codes

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0

Submit Solution

More Questions on This Topic :

Latest Videos

Latest Test Papers