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Q. Which of the following isn't true of Guglielmo Marconis experiments on wireless transmission
Answer:-
A) In 1901 he broadcasted a signal from Newfoundland to England
B) He defied present belief on line-of-sight transmission
C) His work was a practical request of the work of James Clerk Maxwell
D) His achievement was a vindication of his belief in the reflective properties of the ionosphere
How many types fitting are there? Literally thousands for all thought or dreamed up application. By small bullet lenses uses very large floor, pool and pavers lights. From simp
Null experiment: An experiment that yields no result after being executed. Null experiments are just as meaningful as non-null experiments; if current theory determined an obs
Q. Explain density? Answer:- Density is a physical characteristic also is a measure of mass per unit of volume of a material or substance. It is a dimension of the amount
Q. A compound microscope consists of an objective lens of focal length 2.0cm and an eye piece of focal length 6.25cm separated by a distance of 15cm.How far from the objective sho
What are links and symbolic links in UNIX file system? A link is a second name (not a file) for a file. Links can be used to allocate more than one name to a file, but cannot
State of Motion: Inertia is the tendency of an object to resist alters in its state of motion. State of motion of an object is described by its velocity - speed with a direc
An object that is 24 cm from a convex lens produces a real image that is 13 cm from the lens. What is the focal length of the lens?
Define Heat engine Heat engine is a device by which a system is made to undergo a cyclic process that results in conversion of heat into work. It is explained as the ratio o
Explain about Atoms Atoms - having of a nucleus (central core) and orbiting electrons. Nucleus have protons (+ particles) and neutrons (neutral particles). Neutral atoms have
sir, I am in class xii and i have to submit a project:working model on any topic in physics. so please help me figure this out
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