IUT admission questions 2016-17 (Islamic University of Technology)

All 10 questions of this paper are below. Subjects: Physics 1st Paper (3), Higher Math 1st Paper (5), Higher Math 2nd Paper (2).

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Physics 1st Paper

  1. 1.A student stands on a bathroom scale in an elevator at rest on the 64th64^{\text{th}} floor of a building. The scale reads 836 N836\text{ N}. As the elevator moves up, the scale reading increases to 936 N936\text{ N}, then decreases back to 836 N836\text{ N}. What is the acceleration of the elevator? (একজন ছাত্র একটি এলিভেটরে বাথরুম স্কেলে দাঁড়িয়ে আছে, যা একটি ভবনের 64 তম তলায় স্থির অবস্থায় রয়েছে। তখন স্কেলের পাঠ হয় 836 N। পরে এলিভেটর ওপরের দিকে চলা শুরু করলে স্কেলের পাঠ 936 N হয়ে যায়, তারপর আবার 836 N-এ ফিরে আসে। এলিভেটরটির ত্বরণ কত?)

    1. A.1.17 ms−21.17\text{ ms}^{-2}
    2. B.1.27 ms−21.27\text{ ms}^{-2}
    3. C.1.21 ms−21.21\text{ ms}^{-2}
    4. D.1.57 ms−21.57\text{ ms}^{-2}
  2. 2.ভর 0.145 kg0.145\text{ kg} হলে খেলোয়াড়টি ধরতে তার উপর প্রযুক্ত বলের মান কত? [IUT'16-17; KUET'13-14]

    1. A.890N890\text{N}
    2. B.870N870\text{N}
    3. C.780N780\text{N}
    4. D.980N980\text{N}
  3. 3.A 5.00 g bullet is fired with a velocity of 100.0 ms−1100.0 \text{ ms}^{-1} toward a 10.00 kg10.00 \text{ kg} stationary solid block resting on a frictionless surface. What is the change in momentum of the bullet if it is embedded in the block? (একটি 5.00 g5.00 \text{ g} বুলেট 100.0 ms−1100.0 \text{ ms}^{-1} বেগে একটি 10.00 kg10.00 \text{ kg} ভরের স্থির কঠিন ব্লকের দিকে নিক্ষেপ করা হয়, যা একটি ঘর্ষণহীন পৃষ্ঠের উপর স্থির অবস্থায় রয়েছে। যদি বুলেটটি ব্লকের মধ্যে ঢুকে যায়, তবে বুলেটটির ভরবেগের পরিবর্তন কত হবে?)

    1. A.−0.45 kg ms−1-0.45 \text{ kg ms}^{-1}
    2. B.−0.55kg ms−1-0.55 \text{kg ms}^{-1}
    3. C.−0.50 kg ms−1-0.50 \text{ kg ms}^{-1}
    4. D.−0.65 kg ms−1-0.65 \text{ kg ms}^{-1}

Higher Math 1st Paper

  1. 4.Find the equation of the line passing through the point of intersection of the lines 4x+7y−3=04x + 7y - 3 = 0 and 2x−3y+1=02x - 3y + 1 = 0 that has the equal intercepts on the axes.

    1. A.13x+13y=613x + 13y = 6
    2. B.13x+13y=113x + 13y = 1
    3. C.6x+6y=136x + 6y = 13
    4. D.6x+6y=16x + 6y = 1
  2. 5.A circle passes through the origin & the point (4,2)(4, 2) and its center is on the line x+y=1x + y = 1. The equation of the circle is-

    1. A.x2+y2−6x+2y=0x^2 + y^2 - 6x + 2y = 0
    2. B.x2+y2−x−8y=0x^2 + y^2 - x - 8y = 0
    3. C.x2+y2−8x+6y=0x^2 + y^2 - 8x + 6y = 0
    4. D.x2+y2−2x−6y=0x^2 + y^2 - 2x - 6y = 0
  3. 6.Find the equation (s) of the tangent (s) from the origin to the circle x2+y2−5x−5y+10=0x^2 + y^2 - 5x - 5y + 10 = 0.

    1. A.3x−y=03x - y = 0
    2. B.x−3y=0x - 3y = 0
    3. C.None of these
    4. D.Both a and b
  4. 7.ddxtan⁡−11−cos⁡x1+cos⁡x=?\frac{d}{dx} \tan^{-1} \sqrt{\frac{1-\cos x}{1+\cos x}} = ?

    1. A.12\frac{1}{2}
    2. B.13\frac{1}{3}
    3. C.sin⁡x2\sin \frac{x}{2}
    4. D.cos⁡x2\cos \frac{x}{2}
  5. 8.ddxln⁡(sec⁡x+tan⁡x)=\frac{d}{dx}\ln(\sec x+\tan x)=?

    1. A.sec⁡x\sec x
    2. B.tan⁡x\tan x
    3. C.cot⁡x\cot x
    4. D.cos⁡x\cos x

Higher Math 2nd Paper

  1. 9.Find the condition that one root of the quadratic equation px2−qx+p=0px^2 - qx + p = 0 is 1 more than the other.

    1. A.p2−4q2=0p^2 - 4q^2 = 0
    2. B.q2−5p2=0q^2 - 5p^2 = 0
    3. C.q2−4p2=0q^2 - 4p^2 = 0
    4. D.p2−5q2=0p^2 - 5q^2 = 0
  2. 10.The point in a lunar orbit nearest the surface of the moon in called perilune and the point farthest from the altitude 110 km110\text{ km} and apolune altitude 314 km314\text{ km} (above the moon). Find the equation of the ellipse if the radius of the moon is 1728 km1728\text{ km} and the center of the moon is at one focus.

    1. A.x237,63,600+y241,69,764=1\frac{x^2}{37,63,600} + \frac{y^2}{41,69,764} = 1
    2. B.x237,63,600+y237,53,196=1\frac{x^2}{37,63,600} + \frac{y^2}{37,53,196} = 1
    3. C.x233,78,244+y237,53,196=1\frac{x^2}{33,78,244} + \frac{y^2}{37,53,196} = 1
    4. D.x233,78,2441+y241,69,764=1\frac{x^2}{33,78,2441} + \frac{y^2}{41,69,764} = 1

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