WebDec 26, 2024 · 5.answer is a] greater than unity since ray of light bends towards the normal, when it goes from medium A to medium B, the medium A is rarer and medium B … WebIf one regression coefficient is greater than unity, then others will be lesser than unity. The geometric mean between the two regression coefficients is equal to the correlation coefficient R=sqrt(b yx *b xy) Also, the arithmetic means (am) of both regression coefficients is equal to or greater than the coefficient of correlation.
NCERT Exemplar Class 10 Science Solutions Chapter 10 Light
We are providing free NCERT Exemplar Solutions for Class 10 Science Chapter 10 here for the students to practise well and obtain good marks in the board exam. These exemplars will facilitate easy learning, and students will be able to get clarity on all the concepts and topics given in this chapter. See more 1. Which of the following can make a parallel beam of light when light from a point source is incident on it? (a) Concave mirror as well as convex lens (b) Convex mirror as well as a … See more 20. Identify the device used as a spherical mirror or lens in the following cases, when the image formed is virtual and erect in each case. (a) Object is placed between the device and its … See more 30. Draw ray diagrams showing the image formation by a concave mirror when an object is placed (a) between pole and focus of the mirror (b) between focus and centre of curvature of … See more WebA light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be (a) greater than unity (b) less than unity (c) equal to unity (d) zero #Exemplar Science for Class 10 how is reach calculated in boxing
(d) Greater than $20cm$and less than $40cm$ - Vedantu
WebIt is impossible for mole fractions to be greater than unity. Solution. Verified. Step 1. 1 of 2. The sum of all mole fractions is always 1 or 100 % 100\% 100% and it can not be grater than the unity. Result. 2 of 2. The statement is true. Create an account to view solutions. WebWhen we say that magnification is less than unity, it means that the size of the image is smaller than the size of the object. Chapter Chosen. Light - Reflection and Refraction Book Chosen. Science ... Class 10 Class 12. Light - Reflection and … WebJun 2, 2024 · Check the below NCERT MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were … how is react better