Consider the following particles in relation to the matter:
π-Meson (Pi-meson)
Photon
Which among the above are considered to be mass less and charge less?

Related MCQs

• Consider the following statements regarding the GMO (Genetically Modified Organisms) and LMO (Living Modified Organism): GMO are essentially dead , while the LMO are alive and can grow GMO are patentable, while LMO are not patentable GMO are modified using Genetic Engineering, while LMO are modified by other technologies. Which among the above statements is / are correct?
• Consider the following statements: Both Cochlea and Vestibular system are parts of Internal ear Only Cochlea makes the auditory system of human body None of the malleus, incus, and stapes are found in the internal ear. Which among the above statements are correct ?
• Consider the following advantages of the Optic Fibers and the Copper wires: Optic Fibers are NOT susceptible to the electrical interference Optic Fibers can be used to transmit more signals that Copper Wires Optic Fibers can carry a signal over a single fiber, unlike the electricity which requires a pair of Copper wires. Which among the above stand correct ?
• Consider the following: 1. Near Infrared 2. Mid Infrared 3. Far Infrared Which among the following is the correct order of increasing wavelength of the above?
• Consider the following comparisons between the Resourcesat-1 and Resourceset-2: 1. The Resourceset-2 will be able to collect data from a wider strip of the Earth‘s surface 2. The Resourceset -2 will provide remote sensing data services for entire globe, in contrast with some selected area by Resourcesat-1 3. The Resourcesat-2 has been launched with additional payload known as AIS (Automatic Identification System) from COMDEV, Canada as an experimental payload for ship surveillance in VHF band Which among the above statement is / are correct?
• 054615 gigajoule] 24. Consider the following statements: 1. The space between the valence and conduction bands is zero in Graphene 2. This property of Graphene makes it an excellent transistor of commercial viability Which among the above statements is/ are correct?
• Consider the following statements: 1. Copernicium is at present highest-numbered element recognized by IUPAC 2. Copernicum has been synthesized in the lab by a nuclear reaction of Zinc and Lead Isotopes Which among the above statements is / are correct?
• Consider the following statements regarding Graphene and Fullerene: 1. Graphene is 2 dimensional , Fullerene is generally 3 dimensional 2. Graphene is SP2 allotrope of Carbon, while Fullerene is SP3 allotrope of Carbon 3. Graphene does not dissolve in petrol but fullerenes dissolve Which among the above statements is / are correct?
• Consider the following statements: 1. For some diseases like Malaria and Denue, techniques of Population suppression of Vectors is favored over the disease resistance techniques 2. RIDL is a Population suppression technique. Which among the above statements is / are correct?
• Consider the following statements about Archaeopteryx: 1. Archaeopteryx was the earliest and most primitive bird known, when it was found in Germany in late 19th century 2. The discovery of Archaeopteryx put an end to the debate that Birds originated from Dinosaurs or the archosaurian reptiles. Which among the above statements is / are correct?