CBSE Class 7 Answered
Q1) If a ray of light falls normally on a plane mirror how will it be reflected
back? What will be the angle of incidence and angle of reflection?
Q2) How is word AMBULANCE written in front of ambulance van and
why?
Q3) Which type of mirror can form a real image?
Q4) which mirror can produce virtual image larger than the object?
Q5) Why is concave mirror preferably used by makeup artists?
Q6) Which type of lens always forms a virtual image?
Asked by Rupali | 11 Feb, 2016, 03:23: PM
Expert Answer
1.
2. The word “
” is written as “
” on ambulances because, if a car driver is driving in front of the ambulance, then the image on the rear view mirror will appear normal to him and can give way to the ambulance.
” is written as “ ” on ambulances because, if a car driver is driving in front of the ambulance, then the image on the rear view mirror will appear normal to him and can give way to the ambulance.6. A concave always lens forms only virtual, erect and diminished image of the object.
Note: Kindly ask the other question as a separate separate query.
Answered by Faiza Lambe | 11 Feb, 2016, 04:09: PM
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