Read the following passage and answer the questions that follow (1-5): Rainbows are often seen when the sun comes out after or during a rainstorm. Rainbows are caused when sunlight shines through drops of water in the sky at specific angles. When white sunlight enters a raindrop, it exits the raindrop a different color. When light exits lots of different raindrops at different angles, it produces the red, orange, yellow, green, blue, indigo, and violet that you see in a rainbow. Together, these colors are known as the spectrum. These colors can sometimes be seen in waterfalls and fountains as well. Do you know that there are double rainbows? In a double rainbow, light reflects twice inside water droplets and forms two arcs. In most double rainbows, the colors of the top arc are opposite from those in the bottom arc. In other words, the order of colors with purple on top and [গণিত] with the red on bottom. In addition, rainbows sometimes appear as white arcs at night. These rainbows are called moonbows and are so rare that very few people will ever see me. Moonbows are caused by moonlight (rather than sunlight) shining through drops of water. Q. Rainbows are often seen .

ক. after a rainstorm

খ. after the sun sets at night

গ. when it snows

ঘ. before a rainstorm

উত্তর: after a rainstorm

ব্যাখ্যা: Rainbow [গণিত] অর্থ 'রংধনু', যা সাধারণত 'rainstorm [গণিত] মানে ভারী বর্ষণের পরেই দেখা যায়।

Admission A (বিজ্ঞান বিভাগ) University papers MCQ — Prosthuti প্রশ্নব্যাংক