Question

find the square root of 4upon -5 rational number​

Answer 1

Step-by-step explanation:

4.5=45/10=9/2

⟹4.5 is a rational number.

Answer 2

Answer:

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Step-by-step explanation:

Optics Box

While visiting an exhibition, Raju and Ravi observed different types of images. They want to form similar images using their father's optics box having materials such as a plane mirror, convex mirror, concave mirror, all types of lenses, v stand, matchbox, candle, laser light, prism, and glass slab.

To observe a virtual, diminished image of a candle flame, they have to select………from the optics box:

A. plane mirror, concave lens

B. prism, glass slab

C. concave lens, convex mirror

D. concave mirror, convex lens

i hope this answer helpful for you