It means the speed at which light moves. While it may seem that light advances instantaneously, in fact it does not - it moves at a speed of 300,000 kilometers per second. That's the speed in a vacuum; in other substances, it moves slower. For example, in glass or water it moves at about 2/3 of the speed it has in a vacuum.
The speed of light refers to how fast light travels.
Perhaps coincidentally, the phrase "light speed" refers to a speed.It is a speed.
It is NOT a standard phrase, but "186282 miles per second Speed of Light".It is not a standard phrase becauseit is true for the speed of all electromagnetic radiation in vacuum, not just light, andit is not true if the medium is not vacuum.
Among other things, the speed of light in a vacuum.
Il migliore amico is an Italian equivalent of 'best friend'. The phrase is pronounced 'eel mee-LYOH-ray ah-MEE-koh'. The masculine definite article 'il' means 'the'. The superlative 'migliore' means 'best'. The masculine gender noun 'amico' means 'friend'. If the 'friend' is female, then the phrase becomes la migliore amica, which is pronounced 'lah mee-LYOH-ray ah-MEE-kah'.
"My life" is an English equivalent of the Spanish phrase vida mia.Specifically, the feminine noun vida means "life." The feminine possessive adjective mia translates as "my." The pronunciation will be "BEE-tha MEE-a" at the beginning of a phrase or sentence and "VEE-tha MEE-a" in the middle of a phrase or sentence.
La luce che mi guida nella mia vita pazza is an Italian equivalent of the English phrase "The light that guides me in my crazy life." The declarative phrase models a difference between the two languages whereby adjectives go oftentimes after, sometimes before, their nouns in Italian. The pronunciation will be "la LOO-tchey key mee GWEE-da NEL-la MEE-a VEE-ta PAT-tsa" in Italian.
"My friend telephoned" is one literal English equivalent of the Italian phrase La mia amica chiamò. The pronunciation of the phrase -- which deals with a female friend -- will be "la MEE-a-MEE-ka kya-MO" in Italian.
The pronunciation of the Italian phrase 'Lei Γ¨ la mia vita' is "lay eh lah mee-ah vee-tah."
Sto camminando con il mio amico in the masculine and Sto camminando con la mia amica in the feminine are Italian equivalents of the English phrase "I am walking with my friend." The respective pronunciations will be "sto KAM-mee-NAN-do ko-neel MEE-o a-MEE-ko" in the masculine and "sto KAM-mee-NAN-do kon la MEE-a-MEE-ka" in the feminine.
La mia bella amica and bella amica mia are Italian equivalents of the English phrase "my beautiful friend." The respective pronunciations of the feminine singular phrase -- which may be used as a description in the first case and as a greeting in the second -- will be "la MEE-a BEL-la-MEE-ka" and "BEL-la-MEE-ka MEE-a" in Italian.
Is what the speed of light or light speed.ANSWER300,000 km/s
Not only is the question constructed meaninglessly, but it includes a completely false statement of 'fact'. The speed of light is not 300.000 miles an hour. It's more like 300,000 kilometers per second.