Home

What is the correct answer?

4

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

A. Paper

B. Cloth

C. Lead

D. Aluminium

Correct Answer :

C. Lead


Related Questions

Maximum permissible sulphur content in steel is __________ percent. The materials which fracture even at small strains are termed as brittle,… Even though heat transfer co-efficient in boiling liquids is large, use… __________ is the most important element, which controls the physical… Absolute zero pressure can be attained at a temperature of Which one of the following is incombustible? Hydrogen can be Ganister contains maximum percentage of Screws are specified by their __________ diameters. The cooling rate required to freeze 1 ton of water at 0°C into ice… Tesla metre per ampere (T. m/A) is the unit for the measurement of A high pressure boiler generates steam at a pressure greater than __________… Alloys having more than 80% copper are generally more While the bin cards are used in the effective stores management, the queuing… Propulsion of rocket follows from the Air-petrol ratio in an automotive petrol engine is around In inventory control theory, the economic order quantity (EOQ) is the Heating of ferromagnetic materials to a temperature above Curie temperature… In a neutral solution Heat flow across a hollow sphere of inner radius 'r1' and outer radius… What is the range of tempering temperature (°C) for most of the materials? Which of the following can be manufactured using powder metallurgy techniques? Minimum temperature upto which water can be theoretically cooled down… Speed of a submarine in deep sea & that of an aeroplane is measured by… __________ fluid force is not considered in the Navier-Stokes equation. If Reynolds number is greater than 1, then the Increase in temperature, in general results in the Heating the Hypo-eutectoid steels to 30°C above the upper critical… In practice, the compression ratio of compression-ignition (CI) engine… __________ test determines the yield strength, Young's modulus of elasticity,…