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Presume you are asked to find the characteristics of the image of an actual physical object formed by a single lens and you obtain a negative value for the magnification. What does this notify you about the image?
Answer:
This is merely a human-established convention. A negative value for the exaggeration means that the image is upside down (inverted).
how to calculate acceleration?
Copper is completely miscible with (A) Nickel. (B) Gold. (C) Hydrogen. (D) Lead. Ans: Copper is completely miscible with gold.
Explain Scalars and Vectors This is one of the harder ideas to get used to when you start learning physics. The trick is to see that there is one basic difference between a sca
a ball is dropped from a bridge 122.5m high. after the ball has been falling for2 sec another is thrown straight downwards after it. the initial velocity of the ball is such that
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IONIC BOND Ionic bonding involves the transfer of electrons from an electropositive atom (an atom that tends to "donate" an electron) to an electronegative atom (an atom that t
A dragster begins from rest and accelerates for 4.0 s at a rate of 5.0 m/s2. It then travels at a constant speed for 2.5 s. A parachute opens, stopping the vehicle at a constant ra
A beaker of water sits in the sun until it reaches an equilibrium temperature of 30°C. The beaker is made of 100 g of aluminum and contains 170 g of water. In an attempt to cool th
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The main constituents of glass is (A) SiO 2 (B) B 2 O 3 (C) Al 2 O 3 (D) Cr 2 O 3 Ans: The main constituents of glass are SiO 2 .
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