OA2007

Which of the following rods of same material undergoes maximum elongation

Which of the following rods of same material undergoes maximum elongation when subjected to a given force? Options (a) l=1…

Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,

Water flows through a pipe. The area of cross-section at one place A₁=10 cm², velocity of flows 1 m/s and…

A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².

A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m². With what force…

How many calories are required to heat 40 gram of argon from 40⁰C to 100⁰C

How many calories are required to heat 40 gram of argon from 40⁰C to 100⁰C at constant volume? ( R…

Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series

Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series across a potential difference…

Solar radiation is

Solar radiation is Options (a) transverse electromagnetic wave (b) longitudinal electromagnetic wave (c) both longitudinal and transverse electromagnetic waves (d)…

G. Mendel used the plant

G. Mendel used the plant Options (a) Oenothera lamarkiana (b) Lathyrus sativus (c) Mirabilis jalapa (d) Pisum sativum Correct Answer:…

Most potential organism for the production of insecticide is

Most potential organism for the production of insecticide is Options (a) Xanthomonas oryzae (b) Bacillus thuringiensis (c) Eramis tiliaria (d)…

A sarcomere in the myofibrils of muscle is found in between

A sarcomere in the myofibrils of muscle is found in between Options (a) 2 M-lines (b) 2 Z-lines (c) 2…

When the wavelength of sound changes from 1 m to 1.01 m,

When the wavelength of sound changes from 1 m to 1.01 m, the number of beats heard are 4. The…