Q.7939·Miscellaneous·2017·EasyIf y = (cos x)^(cos x)^(cos x)... , then dy/dx is equal toView question
Q.7941·Miscellaneous·2017·EasyConsider the following : 1. x + x^2 is continuous at x = 0 2. x + cos(1/x) is discontinuous at x = 0 3. x^2 + cos(1/x) is continuous at x = 0 Which of the above are correct?View question
Q.7942·Miscellaneous·2017·EasyConsider the following statements : 1. dy/dx at a point on the curve gives slope of the tangent at that point. 2. If a(t) denotes acceleration of a particle, then ∫a(t)dt + c gives velocity of the particle. 3. If s(t) gives displacement of a particle at time t, then ds/dt gives its acceleration at that instant. Which of the above statements is/are correct?View question
Q.7943·Miscellaneous·2017·EasyElectron emission from a metallic surface by application of light is known asView question
Q.7946·Miscellaneous·2017·EasyWhich one of the following waves is used for detecting forgery in currency notes?View question
Q.7947·Miscellaneous·2017·EasyThe majority charge carriers in a p-type semiconductor areView question
Q.7948·Miscellaneous·2017·EasyWhich one of the following is correct in respect of the function f(x) = x(x-1)(x+1)?View question
Q.7949·Miscellaneous·2017·EasyThe ionization energy of hydrogen atom in the ground state isView question
Q.7950·Miscellaneous·2017·EasyConsider the following statements : 1. Derivative of f(x) may not exist at some point. 2. Derivative of f(x) may exist finitely at some point. 3. Derivative of f(x) may be infinite (geometrically) at some point. Which of the above statements are correct?View question
Q.7951·Miscellaneous·2017·EasyWhen pure water boils vigorously, the bubbles that rise to the surface are composed primarily ofView question
Q.7952·Miscellaneous·2017·EasyWhich compound, when dissolved in water, conducts electricity and forms a basic solution?View question
Q.7955·Miscellaneous·2017·EasyIf l1 = d/dx(e^sin x) l2 = lim h→0 (e^sin(x+h) - e^sin x)/h l3 = ∫e^sin x cos x dx then which one of the following is correct?View question
Q.7956·Miscellaneous·2017·EasyThe general solution of dy/dx = (ax+h)/(by+k) represents a circle only whenView question