Related InterviewSolutions

• The relation between internal energy `U`, pressure `P` and volume `V` of a gas in an adiabatic process is `U = a + bPV` where a and b are constants. What is the effective value of adiabatic constant `gamma` ?A. `a/b`B. `(b+1)/b`C. `(a+1)/a`D. `b/a`
• Three samples of the same gas A,B and C `(gamma=3//2)` have initially equal volume. Now the volume of each sample is doubled. The process is adiabatic for A. Isobaric for B and isothermal for C. If the final pressures are equal for all three samples, find the ratio of their initial pressuresA. `2:1:sqrt2`B. `2sqrt2:1:2`C. `sqrt2:1:2`D. `sqrt2:2:1`
• A force of `7hati + 6hatk` newton makes a body move on a rough plane with a velocity of `3 hatj +4 hatk ms^(-1)`. Calculate the power in watt.A. 24B. 34C. 21D. 45
• A chain of uniform mass `m` and length `L` is held on a frictionless table in such a way that its `(1)/(n)`th part is hanging below the edge of table. The work done to pull the hanging part of chain is `:-`A. `sqrtn`B. `n`C. `n^(-3)`D. `n^(-2)`
• Match the following and select the correct combination from the given options `{:(,underset(underset("interaction)")(("Population")))("Column I"),,underset(("Examples"))("Column II")),("A.","Mutualism","(i)","Ticks on dogs"),("B.","Commensalism","(ii)","Balanus and Chthamalus"),("B.","Prasitism","(iii)","Sparrow and any seed"),("D.","Competition","(iv)","Epiphyte on a mango branch"),("E.","Predation","(v)","Mycorrhiza"):}`A. A-(i),B-(v),C-(iv),D-(iii),E-(ii)B. A-(ii),B-(i),C-(v),D-(iv),E-(iii)C. A-(iii),B-(ii),C-(i),D-(v),E-(iv)D. A-(v),B-(iv),C-(i),D-(ii),E-(iii)
• Match column I with column II and select the correct option from the given codes `{:(,"Column I",,"Column II"),("A.",underset("precupitator")("Electriostatic"),"(i)","Removes gases like "SO_(2)),("B.","Scrubber","(ii)","Reduces automobile emission"),("C.","Catalytic converter","(iii)","Removes oparticulate matter"):}`A. A-(ii),B-(iii),C-(i)B. A-(iii),B-(ii),C-(i)C. A-(i),B-(ii),C-(iii)D. A-(iii),B-(i),C-(ii)
• The given table shows ome information about the trophic levels of a food chain `{:("Trophic level"" "underset("trophic level")("Energy in the")" "underset("of organisms")("Number")),(" P 10,000 kJ 1000"),(" Q 200 kJ 10"),(" R 100,000 kJ 1"),(" S 2000 kJ 500"):}` Select the option with correct order of tropic levels in a food chainA. `Q rarr S rarr P rarr R`B. `S rarr Q rarr R rarr P`C. `P rarr R rarr Q rarr S`D. `R rarr P rarr S rarr Q`
• Which of the following contraceptive methods correctly matches with its mode of action ?A. `{:("Contraceptive method Mode of action"),(" Tubectomy Make the uterus unstable for implantation"):}`B. `{:("Contraceptive method Mode of action"),(" Oral pills Inhibit ovulation and implantation"):}`C. `{:("Contraceptive method Mode of action"),(" Diaphragms Spermicidal and increases phagocytosis of sperms within the uterus"):}`D. `{:("Contraceptive method Mode of action"),(" IUDs Blocks gamete transport"):}`
• Which of the following contraceptive methods correctly matches with its mode of action ?A. `{:("Contraceptive method Mode of action"),(" Tubectomy Make the uterus unstable for implantation"):}`B. `{:("Contraceptive method Mode of action"),(" Oral pills Inhibit ovulation and implantation"):}`C. `{:("Contraceptive method Mode of action"),(" Diaphragms Spermicidal and increases phagocytosis of sperms within the uterus"):}`D. `{:("Contraceptive method Mode of action"),(" IUDs Blocks gamete transport"):}`
• Which of the following is incorrectly matched ?A. Alpha - Number of species in a given habitatB. Genetic diversity - Variation of genes within speciesC. Beta-diversity - Diversity of habitat in the whole regionD. Species diversity - The product of species richness and evenness