Physics-
General
Easy

Question

Which one of the following quantities does not have unit of force per unit area.

  1. stress
  2. strain
  3. Young's modulus of elasticity
  4. pressure

The correct answer is: strain

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If f left parenthesis x right parenthesis equals open curly brackets table row cell x to the power of alpha end exponent l o g invisible function application x comma end cell cell x greater than 0 end cell row cell 0 comma end cell cell x equals 0 end cell end table close and Rolle's theorem is applicable to f(x) for x element of left square bracket 0 , 1 right square bracket then alpha is equal to

If f left parenthesis x right parenthesis equals open curly brackets table row cell x to the power of alpha end exponent l o g invisible function application x comma end cell cell x greater than 0 end cell row cell 0 comma end cell cell x equals 0 end cell end table close and Rolle's theorem is applicable to f(x) for x element of left square bracket 0 , 1 right square bracket then alpha is equal to

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Given n is a positive integer for the function f left parenthesis x right parenthesis equals 5 x left parenthesis x minus 2 right parenthesis to the power of n comma x element of left square bracket 0 comma 2 right square bracket, . By Rolle's theorem the value of c is 1/5 then n is equal to

Given n is a positive integer for the function f left parenthesis x right parenthesis equals 5 x left parenthesis x minus 2 right parenthesis to the power of n comma x element of left square bracket 0 comma 2 right square bracket, . By Rolle's theorem the value of c is 1/5 then n is equal to

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A medium shows relation between i and r as shown. If speed of light in the medium is nc then value of n is

A medium shows relation between i and r as shown. If speed of light in the medium is nc then value of n is

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The graph between sine of angle of refraction (sin r) in medium 2 and sine of angle of incidence (sin i) in medium 1 indicates that open parentheses t a n invisible function application 36 to the power of ring operator end exponent almost equal to fraction numerator 3 over denominator 4 end fraction close parentheses

The graph between sine of angle of refraction (sin r) in medium 2 and sine of angle of incidence (sin i) in medium 1 indicates that open parentheses t a n invisible function application 36 to the power of ring operator end exponent almost equal to fraction numerator 3 over denominator 4 end fraction close parentheses

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For a small angled prism, angle of prism A, the angle of minimum deviation left parenthesis delta right parenthesis varies with the refractive index of the prism as shown in the graph

For a small angled prism, angle of prism A, the angle of minimum deviation left parenthesis delta right parenthesis varies with the refractive index of the prism as shown in the graph

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A graph is plotted between angle of deviation left parenthesis delta right parenthesis and angle of incidence (i) for a prism. The nearly correct graph is

A graph is plotted between angle of deviation left parenthesis delta right parenthesis and angle of incidence (i) for a prism. The nearly correct graph is

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For a convex lens, if real image is formed the graph between (u + v) and u or v is as follows

For a convex lens, if real image is formed the graph between (u + v) and u or v is as follows

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stack L t with x not stretchy rightwards arrow negative 1.5 below cos to the power of negative 1 end exponent space open parentheses fraction numerator x plus 3 over denominator 3 end fraction close parentheses

A limit is the value that the output of a function approaches as the input of the function approaches a given value.

stack L t with x not stretchy rightwards arrow negative 1.5 below cos to the power of negative 1 end exponent space open parentheses fraction numerator x plus 3 over denominator 3 end fraction close parentheses

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A limit is the value that the output of a function approaches as the input of the function approaches a given value.

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The force required to stretch a steel wire of 1 cm2  cross-section to 1.1 times its length would be open parentheses straight Y equals 2 cross times 10 to the power of 11 straight N over straight m squared close parentheses

The force required to stretch a steel wire of 1 cm2  cross-section to 1.1 times its length would be open parentheses straight Y equals 2 cross times 10 to the power of 11 straight N over straight m squared close parentheses

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Lt subscript x not stretchy rightwards arrow 2 end subscript log subscript 10 space open square brackets x to the power of 6 plus square root of x squared plus 1292 end root close square brackets

Logarithm, the exponent or power to which a base must be raised to yield a given number. Expressed mathematically, x is the logarithm of n to the base b if b to the power of x= n, in which case one writes x = log subscript b to the power of blank to the power of blank end exponent end subscript n.

Lt subscript x not stretchy rightwards arrow 2 end subscript log subscript 10 space open square brackets x to the power of 6 plus square root of x squared plus 1292 end root close square brackets

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Logarithm, the exponent or power to which a base must be raised to yield a given number. Expressed mathematically, x is the logarithm of n to the base b if b to the power of x= n, in which case one writes x = log subscript b to the power of blank to the power of blank end exponent end subscript n.

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The graph shows how the magnification m produced by a convex thin lens varies with image distance v. What was the focal length of the used

The graph shows how the magnification m produced by a convex thin lens varies with image distance v. What was the focal length of the used

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The graph shows variation of v with change in u for a mirror. Points plotted above the point P on the curve are for values of v

The graph shows variation of v with change in u for a mirror. Points plotted above the point P on the curve are for values of v

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When light is incident on a medium at angle i and refracted into a second medium at an angle r, the graph of sin i vs sin r is as shown in the graph. From this, one can conclude that

When light is incident on a medium at angle i and refracted into a second medium at an angle r, the graph of sin i vs sin r is as shown in the graph. From this, one can conclude that

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L t subscript x not stretchy rightwards arrow 0 end subscript fraction numerator 1 minus cos space x over denominator x squared end fraction

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means 0 over 0 space o r space fraction numerator plus-or-minus infinity over denominator plus-or-minus infinity end fraction.

L t subscript x not stretchy rightwards arrow 0 end subscript fraction numerator 1 minus cos space x over denominator x squared end fraction

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We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means 0 over 0 space o r space fraction numerator plus-or-minus infinity over denominator plus-or-minus infinity end fraction.

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L t subscript x not stretchy rightwards arrow 0 end subscript fraction numerator 3 sin space x minus sin space 3 x to the power of blank over denominator x cubed end fraction

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means 0 over 0 space o r space fraction numerator plus-or-minus infinity over denominator plus-or-minus infinity end fraction.

L t subscript x not stretchy rightwards arrow 0 end subscript fraction numerator 3 sin space x minus sin space 3 x to the power of blank over denominator x cubed end fraction

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We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means 0 over 0 space o r space fraction numerator plus-or-minus infinity over denominator plus-or-minus infinity end fraction.

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