help Help

Question

Which statement about LEDs (Light- Emitting Diodes) is not correct?

Which statement about LEDs (Light- Emitting Diodes) is not correct?

.

Option A: LED light sources consume less electricity.

Option B: LEDs have longer lifetime than lightbulbs.

Option C: LEDs are available in colours such as red, green, yellow, blue and white.

Option D: LEDs use mercury which is harmful to human.

Correct Answer

Option: d

Explanation

.

Sample Mock Tests for Practice

CHHATTISGARH LOWER JUDICIAL SERVICES 2019

THE NEGOTIABLE INSTRUMENTS ACT, 1881 (PAPER 01 Q. NO. 1 TO 40)

THE CODE OF CIVIL PROCEDURE, 1908 (PAPER – 08 Q. NO. 281 TO 320)

KERALA LOWER JUDICIAL SERVICES 2011

UTTAR PARDESH LOWER JUDICIAL SERVICES LAW EXAM 2018

AIBE-XII-2018-I (BCI-JUN-2018-SET-A) (ALL INDIA BAR EXAM 2018-I)

THE TRANSFER OF PROPERTY ACT, 1882 (PAPER 03 Q.NO. 81 TO 120)

THE INDIAN CONTRACT ACT, 1872 (PAPER – 12 Q. NO. 386 TO 420)

THE CODE OF CRIMINAL PROCEDURE, 1973 (PAPER – 04 Q. NO. 121 TO 160)

AILET – National Law University Delhi Entrance Test (NLU 2021)

THE WILD LIFE PROTECTION ACT, 1972 (PAPER 01 Q. NO. 1 TO 25)

THE NEGOTIABLE INSTRUMENTS ACT, 1881 (PAPER 03 Q. NO. 81 TO 120)

THE ADMINISTRATIVE TRIBUNALS ACT, 1985 (PAPER-01 Q. NO. 1 TO 21)

THE SPECIFIC RELIEF ACT, 1963 (PAPER – 05 Q. NO. 141 TO 175)

THE CHHATTISGARH LAND REVENUE CODE, 1959 (PAPER 01 Q. NO. 1 TO 11)

G.K. PUNJABI – 01 GGSSS BNL

THE INDIAN CONTRACT ACT, 1872 (PAPER – 11 Q. NO. 351 TO 385)

THE ARBITRATION AND CONCILIATION ACT, 1996 (PAPER 01 Q. NO. 1 TO 30)

THE SPECIFIC RELIEF ACT, 1963 (PAPER – 07 Q. NO. 211 TO 231)

GUJRAT LOWER JUDICIAL SERVICES 2019(1) & (2)

THE ARBITRATION AND CONCILIATION ACT, 1996 (PAPER 04 Q. NO. 91 TO 116)

MADHYA PARDESH LOWER JUDICIAL SERVICES 2001

HIMACHAL PARDESH LOWER JUDICIAL SERVICES 2014

AILET – National Law University Delhi Entrance Test (NLU 2017)

THE CODE OF CIVIL PROCEDURE, 1908 (PAPER – 16 Q. NO. 601 TO 640)

THE SPECIFIC RELIEF ACT, 1963 (PAPER – 03 Q. NO. 71 TO 105)

THE CONSTITUTION OF INDIA, 1949 (PAPER – 03 Q. NO. 71 TO 105)

G.K. ENGLISH -02 GGSSS BNL

THE LAW OF ADMINISTRATION (PAPER 01 Q. NO. 1 TO 30)

THE INDIAN CONTRACT ACT, 1872 (PAPER – 10 Q. NO. 316 TO 350)

THE HINDU MINORITY AND GUARDIANSHIP ACT, 1956 (PAPER -01 Q. NO. 1 TO 14)

CLAT 2021

THE CODE OF CIVIL PROCEDURE, 1908 (PAPER – 03 Q. NO. 81 TO 120)

THE CONSTITUTION OF INDIA, 1949 (PAPER – 07 Q. NO. 211 TO 245)

HIMACHAL PARDESH LOWER JUDICIAL SERVICES 2019

THE MAHARASHTRA RENT CONTROL ACT, 1999 (PAPER 01 Q. NO. 1 TO 15)