question papers for class 9 previous years
Taniya12062003
Asked:
December 2022
the focal length of a concave mirror is 30cm. find the position of the object in front of the mirror so that the image is three times the size of the object. PLZ do it quickly.. I need it urgent
Taniya12062003
Asked:
December 2022
an object is placed 15cm from a concave mirror of radius of curvature 90cm. calculate the position of image and magnification
Taniya12062003
Asked:
December 2022
what values do you get from the drama the Bishop's candlesticks? write in about 100-150words