The image of a candle flame formed by a lens is obtained on a
screen placed on the other side of the lens. If the image is three
times the size of the flame and the distance between lens and
image is 80 cm, at what distance should the candle be placed
from the lens? What is the nature of the image at a distance of
80 cm and the lens?
Answers
Explanation:
Given, magnification =−uv=3 and v=80 cm
So, object distance, u=−3v=−380=−26.67 cm
Answer:
Write a program to input gross annual income and print the payable income tax by the employee. 15000+ 30% of the income exceeding 200000 The Pension rules of a certain country states that a man receives Rs. 50/- a week if he is over 65 years and an extra Rs. 20/- if he is over 70 years. A woman receives Rs. 45/- a week if she is over 60 years and an extra R 25/- if she is over 65 years. Write a program which takes the gender, (M for male, F for female) and age of the persons as input and print out the amount of weekly pension they would get. If a person is below the pension able age, a suitable message must be printed. A library charges a fine for books returned late on the basis of the following rules / slabs First five day 40 paisa per day. 65 paisa per day. Next five days Above ten days 80 paisa per day. Write a program to take as input the number of days late a book returned. Compute the fine. Print the number of days and the fine amount.