Light- Reflaction and Refraction NCERT solution Here we will discuss about the solution of the science ch1 class 10, light- reflection and refraction in-text as well as exercise solution. In- text questions Question 1. Define the principal focus of a concave mirror? Ans:- Principal focus is the point on principal Axis, where all the parllelly incident rays meet or where all the parllelly incident rays are converge. Question 2. The radius of curvature of a spherical mirror is 20 cm. what is its focal length? Ans:- Given R= 20cm F= R/2 F= 20/2 = 10cm Question 3 Name a mirror that can give an erect an enlarged image of an object? Ans:- Concave mirror, when we place object between principal focus and pole. Question 4. Why do we prefer a convex mirror as a rear-view mirror in vehicles? Ans:- We prefer a convex mirror as a rear view mirror in vehicles because it gives a wide range view as compared to other mirrors. Also we...
Hii learners, In this blog, you will get solution of NCERT class 10 Biology How do organisms reproduce. Stay tune with us. From this blog you can refer to those questions given in the textbook. How do organisms reproduce? NCERT solutions Question 1 Asexual reproduction takes place through budding in a). Amoeba b). Yeast c). Plasmodium d). Leishmania Ans:- (b) Yeast Question 2 Which of the following is not a part of the female reproductive system in human beings? a). Ovary b). Vas deference c). Uterus d). Fallopian tube Ans:-(C) Vas deference Question 3 The anther contains a). Sepals b). Ovules c). Pistil d). Pollen grains Ans:- (d) Pollen grains Question 4 Water advantages of sexual reproduction over asexual reproduction? Answer:- In asexual reproduction, the offsprings are almost identical to their parents because they have the same genes as of their parents. Thus, genetic variation is not possible or is slow in asexual reproduction. Sexual reproduction involves f...