Neet physics questions with solutions

Showing 1–10 of 4705 questions

• MCQmediumMathematical tools and vectorApplications of Differentiation

  For f(x)=x²e⁻ˣ, x>0, maximum occurs at:

  Options

  • Option A

    x = 2

  • Option B

    x = 1

  • Option C

    x = 3

  • Option D

    x = 1/2

  Check answerShow answer

  JEE MainsNEET

  Open question & full solution →
• MCQmediumMathematical tools and vectorQuadratic Equation

  The velocity of a particle is v(t)=t²-5t+6 m/s. At which times is the particle instantaneously at rest?

  Options

  • Option A

    1 s and 6 s

  • Option B

    2 s and 3 s

  • Option C

    -2 s and -3 s

  • Option D

    0 s and 5 s

  Check answerShow answer

  NEETJEE Mains

  Open question & full solution →
• MCQmediumMathematical tools and vectorApplications of Differentiation

  For f(x)=x³-6x²+9x+1, the local minimum occurs at:

  Options

  • Option A

    x = 2

  • Option B

    x = -3

  • Option C

    x = 3

  • Option D

    x = 1

  Check answerShow answer

  JEE MainsNEET

  Open question & full solution →
• MCQeasyAtomic Structure and X-raysAtomic Structure & Bohr's Atomic Model

  An electron occupies the fourth Bohr orbit of hydrogen, while another electron occupies the fourth Bohr orbit of He⁺. What is the ratio of the hydrogen-orbit radius to the He⁺-orbit radius?

  Options

  • Option A

    1:1

  • Option B

    2:1

  • Option C

    4:1

  • Option D

    1:2

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• IntegermediumMathematical tools and vectorQuadratic Equation

  If α and β are roots of x²-4x+1=0, find α²β+αβ².

  Your answer

  Check answerShow answer

  NEETJEE Mains

  Open question & full solution →
• MCQeasyWave MotionStanding Waves on Strings, Harmonics and Sonometer

  A perfectly free end of a string is chosen as x = 0. Which stationary-wave expression has a displacement antinode at the free end?

  Options

  • Option A

    y = 2A sin(kx) cos(ωt)

  • Option B

    y = 2A cos(kx) cos(ωt)

  • Option C

    y = A sin(kx-ωt)

  • Option D

    y = 2A sin(ωt)

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• MCQmediumCircular MotionCentripetal & Centrifugal Forces

  A uniform rope of mass M and length R lies along a radius and rotates in a horizontal plane about one end with constant angular speed ω. If x is the distance of a point of the rope from the axis, the tension T(x) at that point is:

  Options

  • Option A

    Mω²(R² - x²)/(2R)

  • Option B

    Mω²(R - x)/R

  • Option C

    Mω²x

  • Option D

    Mω²(R² + x²)/(2R)

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• MCQmediumRotational MotionCombined Translational & Rotational Motion

  A sphere is placed rotating with its centre initially at rest in a corner as shown in figure (a) and (b). Coefficient of friction between all surfaces and the sphere is 1/3. Find the ratio of the frictional force fa fb by ground in situations (a) and (b).

  

  Options

  • Option A

    1

  • Option B

    9/10

  • Option C

    10/9

  • Option D

    none

  Check answerShow answer

  JEE MainsNEET

  Open question & full solution →
• MCQmediumMathematical tools and vectorTrigonometric Function

  If cosθ=12/13 and θ is acute, find sin2θ.

  Options

  • Option A

    60/169

  • Option B

    120/169

  • Option C

    144/169

  • Option D

    5/13

  Check answerShow answer

  NEETJEE Mains

  Open question & full solution →
• MCQmediumsemiconductorDiode Applications & Zener Breakdown

  An ideal diode limiter clamps positive output above +4 V. If input peak is +10 V, maximum output is:

  Options

  • Option A

    10 V

  • Option B

    6 V

  • Option C

    4 V

  • Option D

    0 V

  Check answerShow answer

  JEE MainsNEET

  Open question & full solution →