Q. A lens X has following observation a. When the objects is placed at infinity, the image is formed at focus of the lens
b. When a object is placed at 60 cm from the lens, A real image is forced at 10 cm from lens on other
side
The lens has positive Power

Consider the orbit of a typical comet around the sun, which is marked at five different positions, s, z, u, x , and p. sun a b x z p s u using kepler's second law of planetary motion, rank those positions in order of their relative speeds, with the position for the fastest speed first.

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c. the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors