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There are two medium L1 and L2 of refractive index n1 and n2 respectively (n2  > n1 > 1). In which of the following condition the total internal reflection may occur: a) When the light travel from medium L1 to medium L2. b) When the light travels from medium L2 to medium L1. c) When the light travel from medium L1 to air. d) When the light travels from air to medium L2. Which of the following statement is correct?
What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medium, it promotes the growth of nitrogen-fixing microorganisms. 3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time. Which of the statements given above is/are correct?
Large, medium and small ships are used to bring water. 4 large ships carry as much water as 7 small ships, 3 medium ships carry the same amount of water as 2 large ships and 1 small ship. 15 large, 7 medium and 14 small ships, each made 36 journeys and brought a certain quantity of water. In how many journeys would 12 large, 14 medium and 21 small ships bring the same quantity ?
Choose the correct relation for a combination of two prisms to be achromatic. (Where for the first prism: μv = refractive index of the medium in violet light, μr = refractive index of the medium in red light A = angle of the prism; For the second prism: μ′v = refractive index of the medium in violet light, μ′r = refractive index of the medium in red light, A’ = angle of prism.)
For each of the rays A and B in medium 1 and medium 2, which ray will undergo total internal reflection if the incident angle is increased gradually provided, the index of refraction is greater in medium 1 than medium 2?
With reference to CRISPR technology, consider the following statements: 1. The CRISPR technology replicates a natural defence mechanism in some bacteria that use a similar method to protect themselves from virus attacks. 2. Feluda test for COVID-19 uses indigenously developed CRISPR gene-editing technology to identify and target the genetic material of SARS-CoV2. 3. CRISPR technology can be used to control the growth of mosquitoes. Which of the statements given above is/are correct?
Hybridoma technology is used in the production of __________
The hybridoma technology is used for the production of ___________
Hybridoma technology is used to produce___________
Hybridoma technology is used in