What is the sign of iridium ?

1 Answer

Answer :

Ir Iridium signal

Related questions

Description : What is the chemical sign of iridium and what are the main properties of this substance?

Last Answer : Chemical symbol for iridium Ir. Main properties: Electronic structure: [Xe] 4f145d76s2 Atomic mass: 192,217 u ± 0.003 u Number: 77 Melting point: 2,447 ° C   

Description : 6. Who discovered the iridium layer and won Nobel Prize also? -Discoveries and Inventions

Last Answer : Explanation: Luis Alvarez discovered the iridium layer and also he had given a theory that dinosaurs were driven to extinction by the aftermath of a large meteorite impact on Earth. In 1968, he won Nobel Prize in Physics.

Description : Name two elements that find wide application in transistor industry – (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : (1) Silicon and Germanium Explanation: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. Semiconductor material (date first used): the metalloids ... -germanium (1989), the allotrope of carbon graphene (research ongoing since 2004), etc.

Description : An automated ship-to-shore distress alerting system using satellites and advanced terrestrial communications systems. A. GPS B. Iridium system C. INMARSAT D. GMDSS

Last Answer : D. GMDSS

Description : What satellite system is also known as Navstar? A. GPS B. Iridium C. Globalstar D. Intelsat

Last Answer : A. GPS

Description : Iridium satellites can provide data communications of up ____ bps data rate. A. 1200 B. 4800 C. 2400 D. 3840

Last Answer : C. 2400

Description : What is the orbit of Motorola’s Iridium satellite system? A. Polar B. Equatorial C. Inclined elliptical D. Inclined equatorial

Last Answer : A. Polar

Description : What is considered as the most advanced satellite system developed for cellular telephones? A. Iridium B. Globalstar C. ANIK D. Molniya

Last Answer : A. Iridium

Description : One of the first satellite system catering personal based communications services scheduled for operation. A. Iridium system B. Plutonium system C. Indium system D. Gallium system

Last Answer : A. Iridium system

Description : A 300mm diameter pipe, 5mm wall thickness is to be radiographed using the double wall single image technique. The source to be used is Iridium. Which of the following statements is true? a) ... problem with the technique d) Only the double wall, double image technique should be used with Iridium

Last Answer : c) There is no problem with the technique

Description : Which of the following commonly used radioactive isotopes has the longest half life? a) Iridium 192 b) Cobalt 60 c) Thulium 170 d) Ytterbium 169

Last Answer : b) Cobalt 60

Description : Which one of the following elements is not found in nature? w) Technetium x) Iridium y) Osmium z) Molybdenum

Last Answer : ANSWER: W -- TECHNETIUM 

Description : Name the element discovered upon its extraction from pitchblende? w) platinum x) uranium y) iridium z) plutonium

Last Answer : ANSWER: X -- URANIUM

Description : Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : Silicon and Germanium