Review:
You have recently read a famous book/magazine. Write a Review on the same with the help of the following points:
- title, front page, back page
- language, features, contents
- Pictures, quality, presentation
- Values, vision and variety
In your review, cover the book/magazine’s title, its front and back pages, and provide a brief description of its language and features. Discuss the contents, the quality of the pictures, and how well the book/magazine is presented. Additionally, reflect on the values and vision it communicates, and comment on its variety. This will give the reader a comprehensive view of the book/magazine's content and impact.
Explain the construction of a spherical wavefront by using Huygens' principle.
The perpendicular distance of the plane \( r \cdot (3\hat{i} + 4\hat{j} + 12\hat{k}) = 78 \) from the origin is __________.
Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.