Related InterviewSolutions

• The angle of banking `theta` for a cyclist taking a turn on a curved road of radius r, with a velocity v is given by tan `theta=(v^(n))/(rg)`. What is the value of n?A. 1B. 3C. 2D. 4
• To find the volume of an irregularly shaped wooden piece, a sinker made of steel (relative density = 7.85) having a mass of 157 g was used. If the level of water before and the after immersing the sinker-wood combination are 102 ml and 170 ml, respectively, find the volume of the wooden piece.
• A combined double screw gauge as shown in the figure is used as If the readings on the two scales with the tips of the screws touching each other are 2.97 mm and 6.04 mm when a rod is held between the screws readings are 12.55 mm and 5.96 mm what is the diameter of the ord ?A. 9.5 mmB. 9.6 mmC. 9.58 mmD. Not possible to determine
• The least counts of a vernier calipers and a screw gauge are in the ratio of `5: 1` . The main scales of both the instruments are marked in mm. The zero error on the vernier calipers is `+0.15 `mm where as that on screw gauge is `-0.06` mm. If the diameter of a rod lies between 0.9 cm and 1.0 cm and x and y are the VCD and CSR on the two instruments relation between x and y given that the number of C.S.D = 100 isA. `x-5y =9`B. `5x -y =9`C. `x-5y=21`D. `5x-y =21`
• What is the ratio of 1 KWh (kilowatt hour) to 1 MeV (million electron volt)?A. `2.25xx10^(19)`B. `2.25xx10^(17)`C. `2.25xx10^(23)`D. `2.25xx10^(12)`
• If the units of length, mass and time are doubled, then the new unit of work expressed in terms of L, M and TA. becomes four timesB. becomes two timesC. becomes eight timesD. is not changed
• A vernier calipers and a screw gauge have the same least count and zero error with the difference that the vernier calipers has positive zero error and the screw gauge has negative zero error. The number of circular scale divisions on the screw gauge is twice the number of vernier scale divisions on the vernier calipers and the pitch of the screw gauge is 1mm. If the vernier coinciding division and the circular are 3 and 97, respectively then find the number of vernier scale divisions on the vernier calipers.A. 10B. 200C. 50D. 100
• If the zero error correction of a screw gauge with least of count 0.01 mm is +0.05 mmA. The number of C.S.D is 100 and the zero of the circular scale is 5 divisions above the index line.B. The number of C.S.D is 100 and the zero of the circular scale is 5 divisions below the index line.C. the number of C.S.D. Is 50 and the zero of the circular scale is 5 divisions above the index line.D. Both (1) and (3)
• A student measured the diameter of a wire using a micrometer screw gauge of least count 0.001 cm. He recorded the following measurements. The correct measurement isA. 5.3 cmB. 5.320 cmC. 5.32 cmD. 5.3200 cm
• Constant error can be caused due to (A) faulty construction of instrument. (B) wrong setting of instrument. (C) lack of concentration of observer. (D) wrong procedure of handling the instrument.