Read and download PDF of CBSE Class 10 Science Sample Paper 2012 Set F designed as per the latest curriculum and examination pattern for Class 10 issued by CBSE, NCERT and KVS. The latest Class 10 Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Science Standard 10 which they need to study more to get better marks in Grade 10 exams. After solving these guess papers also refer to solved Class 10 Science Question Papers available on our website to build strong understanding of the subject
Science Sample Paper Class 10 2012
Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 10 exams. Please download CBSE Class 10 Science Sample Paper 2012 Set F
Science Class 10 Sample Paper 2012
1. Why carbon forms strong bonds with other carbon atoms, hydrogen, oxygen, nitrogen or sulphur?
2. Name the part of eye responsible for conversion of light into electrical impulses.
3. a. How does valency vary in a group on going from top to bottom?
b. How does atomic size vary in a period on going from left to right?
4. Write one property of hydrogen which makes it resemble with (a) Alkali metals (b) Halogens.
5. a Arrange the following common substances in the increasing order of refractive indices. Ice, Kerosene, Glass, Diamond, Alcohol, Water
b. Is it necessary that optically dense medium possesses greater mass density? Give an example.
6. On reaction with sodium hydroxide, X yielded Ethanoic acid and ethanol.
(a) Give the IUPAC name of X?
(b) Name the reaction.
(c) Give a chemical reaction for the above reaction.
7. (a) How does the electronic configuration of an atom related to its position in the Modern periodic table? Give one example.
(b) Why nitrogen is more electronegative than phosphorus?
8. A concave length has focal length of 25 cm. At what distance should the object from the lens be placed so that if it forms an image at 20 cm distance from the lens? Also find the magnification produced by the lens.
9. Give an explanation for the formation of a rainbow.
10. How are we able to see distant and near by objects clearly? Which part of eye helps in changing curvature of lens? Why no image is formed at blind spot?
11.(a) Why magnification is taken negative for real images and positive for virtual images?
(b) Why convex mirror is used in rear view mirrors and not concave mirror?
(c) Power of concave lens is 4.5 D. Find its focal length.
12.(a) Find the size, nature and position of image formed when an object of 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.
(b) Why does light travels faster in water in comparison to kerosene. (Refractive index of water and kerosene are 1.33 and 1.44 respectively)
Please refer to attached file for CBSE Class 10 Science Sample Paper 2012 Set F
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