Skip to main content

10th class light chapter ppt.

Chapter 10 in Grade 10 Science is Light-Reflection and Refraction. It belongs to Unit III Natural Phenomenon with respect to the syllabus prescribed by CBSE. ... The chapter takes you further through an important topic of Refraction Of light including Refraction through a Rectangular Glass Slab and The Refractive Index.
Light reflection and refraction notes

Comments

Post a Comment

Popular posts from this blog

CBSC :Photo of board students to be sent with examiners

CBSC :Photo of board students to be sent with examiners In the Central Board of Secondary Education, starting from January 1, in schools, the schools will have to send the group photo board of the students in the batch of 20-20 with internal and external examiners, supervisors. CBSE Controller of Examinations Dr. Sanjay Bhardwaj has directed all schools that the faces of all should be clear in the photo sent by the school ID on the board's website. Photographs taken in the school lab should be visible. With the software it will be decided that the photo is geotag and timetag. Other information such as batch number, number of batches, day and time etc. will have to be shared on the link. The external examiner will inspect the laboratory one day before the practical and contact the Principal and remove it if there is any deficiency. This is being done to ensure the presence of children in the school. The Board has been receiving such complaints regarding some schools t...
Post a Comment
Read more

Marvel maths set 4

                    Section-A Answer according to instruction : (Question no. 1 to 16) (1 mark each) State whether the following statements are True or False. 1. The product of its zeroes : 3x2 +6x +2 is (-3). Ans :-False 2. P(x) = 25x2 – 10x + 1, Discriminant is zero. Ans :- True 3. 1/2,1/3,1/4,1/5..... is a arithmetic progression. Ans :-False 4. sin (60°). cos (60°) =3/4 Ans :-False Fill in the blanks by selecting the proper alternative from those given below each statement. 5. If two dice are throw once, then_____ event possible. (a) 6 (b) 12 (c) 24 (d) 36 6. If a dice is throw once, then______ the probability of number more than 5 appearing on the dice. (a) 1/5   (b) 1/6    (c) 1/2    (d) 1/4 7. If  Σfi = 100, Σfi di = 1234 then Mean (x) = (a) 12.34 (b) 1.234 (c) 123.4 (d) 0.1234 8. If 28x + 22 y = 50 and 22x+28 y = 150 then x + y = ____ (a) 2       ...
Post a Comment
Read more