Which one of the following types of waves are used in a night vision apparatus? November 26, 2019 by mcq a) Radio waves b) Microwaves c) Infra-red waves d) None of the above View AnswerOption – c. More QuestionsOperating system is an example ofWho becomes the first woman to present the Indian Union Budget?In an NGO the daily average wages of 20 illiterate employees is decreased from Rs.25 to Rs.10, thus the average salary of all the literate and illiterate employees is decreased Rs.10 per day. The No. of educated employees working in the NGO is :The perimeter of a square is 40 meters. Find the length of one side of the squareA drink vendor has 80 liters of Mazza, 144 liters of Pepsi, and 368 liters of Sprite. He wants to pack them in cans, so that each can contains the same number of liters of a drink, and doesn’t want to mix any two drinks in a can. What is the least number of cans required?The present of Rs.169 due in 2years at 4% per annum compound interest isHow many Nephrons are in each kidney?If wall is called window, window is called door, door is called floor, floor is callled roof and roof is callled ventilator, what will a person stand on ?How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines?In tree construction which is the suitable efficient data structure?