न्यूक्लिक अम्ल तथा उसका प्रकार, न्युक्लियोसाइड तथा न्युक्लियोसाइड, डीएनए (DNA) की संरचना तथा उसका प्रकार का वर्णन।
न्यूक्लिक अम्ल (Nucleic acid) :- कोशिका के न्यूक्लियस में क्रोमोसोम के अंदर उपस्थित आनुवंशिक पदार्थ को न्यूक्लिक अम्ल कहते हैं। […]
RNA : Structure , Types , Differences between RNA and RNA
RNA and its structure :- RNA molecules are single stranded nucleic acids composed of nucleotides. Fig. 1. Structure of (
Atmospheric refraction : Twinkling of stars, Apparent time of Sunrise and sunset
Twinkling of stars :- it is is a phenomenon of atmospheric refraction. Stars do not really twinkle they just appear
Total internal reflection and its applications : Mirage, Diamond, Prism and Optical fibre
Total internal reflection :- when light travels from and optically denser medium to rarer medium at the interface, it is
DNA फिंगरप्रिंटिंग क्या है। DNA फिंगरप्रिंटिंग के क्या उपयोग हैं।
DNA फिंगरप्रिंटिंग :- मनुष्य के डीएनए में पाए जाने वाले क्षार अनुक्रम लगभग 99.9 % एक समान होते हैं, किंतु
Refraction of light : Law of Refraction and Refractive index
Refraction of light :- when a beam of light encounters another transparent medium, a part of light gets reflected back
The mirror equation and magnification
The mirror equation :- The ray diagram shows the image A’B’ of an object AB formed by a concave mirror
Relationship between the focal length and radius of curvature of a spherical mirror
Consider a ray parallel to the principal axis strinking the mirror at M, CM will be perpendicular to the mirror
Some definitions regarding spherical mirrors and sign convention
Definitions regarding spherical mirrors. Pole :- The geometric centre of a spherical mirror is called its pole. Denoted by ‘P’
Reflection of light, image and spherical mirrors
Reflection of light :- It is the change in direction of a light at an interface between two different media
Optics, light and its theories : Newtons corpuscular theory and Huygen’s wave theory
Optics :- Optics is the branch of physics in which study about properties and behavior of light. There are two
DNA Replication and Central dogma
Replication of DNA :- Watson and Crick had proposed a scheme for Replication of DNA. The scheme suggested that the