(a) Define power of a lens
How did the people belonging to different communities, regions, or language groups develop a sense of collective belonging?
Describe the spread of Non-Cooperation Movement in the countryside? Explain in any three points.
(b) A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed.
How did the people belonging to different communities, regions, or language groups develop a sense of collective belonging?
(a) List any two applications of concave lens.
3. Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed: (i) at the centre of curvature of a concave mirror (ii) between the pole P and focus F of a concave mirror (iii) in front of a...
__________ is sitting in a relaxed position and clearing our mind of all thoughts a) Meditation b) Nature Walks c) Sports d) All of these
The given graph shows the data collected regarding the sale of different kind of books to understand which category is popular amongst teenagers. Using the data, write an analytical paragraph in 100-120 words.
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Asked:
May 2023
A object of height 5 cm placed at a distance of 10 cm from the concave lens of focal length 15.5 cm. Find the magnification and also find the nature and position of the image.
5. The distribution below shows the number of wickets taken by bowlers in Mathematics CLASS Duration: 60 Mins. X Max. Marks : 40 Topic : Statistics one-day cricket matches. Find the mean number of wickets by choosing a suitable method. What does the mean signify? Number of Wickets 20...
1. ____________ is used with other forms of communication a) Speech b) Verbal c) Visual Aids d) None of these ____________ is used with other forms of communication 2. a) Speech b) Verbal c) Visual Aids d) None of these
Out of the following which one the most durable form of communication? a) Verbal / Oral b) Non-Verbal c) Written d) Visual